[rust] Fixed discriminator causing duplicate enum variants (#20711)

* Fixed discriminator

* Added testcase and updated samples

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/RustClientCodegen.java

@@ -22,15 +22,18 @@ import java.io.IOException;
 import java.io.Writer;
 import java.math.BigDecimal;
 import java.math.BigInteger;
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.EnumSet;
+import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
 import java.util.Objects;
 import java.util.Optional;
+import java.util.Set;
 import java.util.stream.Collectors;
 
 import org.openapitools.codegen.CliOption;
@@ -342,6 +345,32 @@ public class RustClientCodegen extends AbstractRustCodegen implements CodegenCon
                         break;
                     }
                 }
+
+                // Check if there are duplicate mappings in the discriminator
+                // ie.
+                // ```
+                // mappings:
+                //   student: '#/components/schemas/Person'
+                //   teacher: '#/components/schemas/Person'
+                //   car: '#/components/schemas/Vehicle'
+                // ```
+                //
+                // Should be mapped to an enum with `PersonStudent`, `PersonTeacher`, `Vehicle` to 2 `Person` enum variants. (a compiler error)
+                if (cm.discriminator.getMapping() != null) {
+                    if (hasDuplicateValues(cm.discriminator.getMapping())) {
+                        var inverted = invertMap(cm.discriminator.getMapping());
+                        for (var s : inverted.entrySet()) {
+                            if (s.getValue().size() > 1) {
+                                LOGGER.debug("Found duplicated enum model (" + s.getKey() + ") in model " + cm.name + ". Adding suffix to model names.");
+                                for (var m : cm.discriminator.getMappedModels()) {
+                                    if (s.getValue().contains(m.getMappingName())) {
+                                        m.setModelName(m.getModelName() + StringUtils.camelize(m.getMappingName()));
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
             }
 
             // Flag structs with byteArrays in them so that we can annotate them with the serde_as macro
@@ -789,4 +818,18 @@ public class RustClientCodegen extends AbstractRustCodegen implements CodegenCon
                 .put("lifetimeName", new ReplaceAllLambda("^r#", "r_"));
     }
 
+    public static <K, V> Map<V, List<K>> invertMap(Map<K, V> map) {
+        Map<V, List<K>> invertedMap = new HashMap<>();
+
+        for (Map.Entry<K, V> entry : map.entrySet()) {
+            invertedMap.computeIfAbsent(entry.getValue(), k -> new ArrayList<>()).add(entry.getKey());
+        }
+
+        return invertedMap;
+    }
+
+    public static <K, V> boolean hasDuplicateValues(Map<K, V> map) {
+        Set<V> uniqueValues = new HashSet<>(map.values());
+        return uniqueValues.size() < map.size();
+    }
 }

modules/openapi-generator/src/test/resources/3_0/rust/petstore.yaml

@@ -656,6 +656,26 @@ paths:
             application/json:
               schema:
                 $ref: '#/components/schemas/TypeTesting'
+  '/tests/discriminatorDuplicateEnums':
+    get:
+      tags:
+        - testing
+      summary: 'Test for duplicate enums when using discriminator. (One of the issues in #20500)'
+      responses:
+        '200':
+          description: test
+          content:
+            application/json:
+              schema:
+                anyOf:
+                  - $ref: '#/components/schemas/Person'
+                  - $ref: '#/components/schemas/Vehicle'
+                discriminator:
+                  propertyName: objectType
+                  mapping:
+                    student: '#/components/schemas/Person'
+                    teacher: '#/components/schemas/Person'
+                    car: '#/components/schemas/Vehicle'
 externalDocs:
   description: Find out more about Swagger
   url: 'http://swagger.io'
@@ -1014,4 +1034,24 @@ components:
       properties:
         foo: {}
       required: ["foo"]
+    Person:
+      type: object
+      properties:
+        type:
+          type: string
+        name:
+          type: string
+      required:
+       - type
+       - name
+    Vehicle:
+      type: object
+      properties:
+        type:
+          type: string
+        speed:
+          type: number
+      required:
+       - type
+       - speed
 

samples/client/petstore/rust/hyper/petstore/.openapi-generator/FILES

@@ -14,6 +14,7 @@ docs/NullableArray.md
 docs/NumericEnumTesting.md
 docs/OptionalTesting.md
 docs/Order.md
+docs/Person.md
 docs/Pet.md
 docs/PetApi.md
 docs/PropertyTest.md
@@ -22,10 +23,12 @@ docs/Return.md
 docs/StoreApi.md
 docs/Tag.md
 docs/TestingApi.md
+docs/TestsDiscriminatorDuplicateEnumsGet200Response.md
 docs/TypeTesting.md
 docs/UniqueItemArrayTesting.md
 docs/User.md
 docs/UserApi.md
+docs/Vehicle.md
 git_push.sh
 src/apis/client.rs
 src/apis/configuration.rs
@@ -37,6 +40,7 @@ src/apis/store_api.rs
 src/apis/testing_api.rs
 src/apis/user_api.rs
 src/lib.rs
+src/models/_tests_discriminator_duplicate_enums_get_200_response.rs
 src/models/action_container.rs
 src/models/any_type_test.rs
 src/models/api_response.rs
@@ -51,9 +55,11 @@ src/models/nullable_array.rs
 src/models/numeric_enum_testing.rs
 src/models/optional_testing.rs
 src/models/order.rs
+src/models/person.rs
 src/models/pet.rs
 src/models/property_test.rs
 src/models/tag.rs
 src/models/type_testing.rs
 src/models/unique_item_array_testing.rs
 src/models/user.rs
+src/models/vehicle.rs

samples/client/petstore/rust/hyper/petstore/README.md

@@ -39,6 +39,7 @@ Class | Method | HTTP request | Description
 *StoreApi* | [**get_inventory**](docs/StoreApi.md#get_inventory) | **Get** /store/inventory | Returns pet inventories by status
 *StoreApi* | [**get_order_by_id**](docs/StoreApi.md#get_order_by_id) | **Get** /store/order/{orderId} | Find purchase order by ID
 *StoreApi* | [**place_order**](docs/StoreApi.md#place_order) | **Post** /store/order | Place an order for a pet
+*TestingApi* | [**tests_discriminator_duplicate_enums_get**](docs/TestingApi.md#tests_discriminator_duplicate_enums_get) | **Get** /tests/discriminatorDuplicateEnums | Test for duplicate enums when using discriminator. (One of the issues in #20500)
 *TestingApi* | [**tests_file_response_get**](docs/TestingApi.md#tests_file_response_get) | **Get** /tests/fileResponse | Returns an image file
 *TestingApi* | [**tests_type_testing_get**](docs/TestingApi.md#tests_type_testing_get) | **Get** /tests/typeTesting | Route to test the TypeTesting schema
 *UserApi* | [**create_user**](docs/UserApi.md#create_user) | **Post** /user | Create user
@@ -64,14 +65,17 @@ Class | Method | HTTP request | Description
  - [NumericEnumTesting](docs/NumericEnumTesting.md)
  - [OptionalTesting](docs/OptionalTesting.md)
  - [Order](docs/Order.md)
+ - [Person](docs/Person.md)
  - [Pet](docs/Pet.md)
  - [PropertyTest](docs/PropertyTest.md)
  - [Ref](docs/Ref.md)
  - [Return](docs/Return.md)
  - [Tag](docs/Tag.md)
+ - [TestsDiscriminatorDuplicateEnumsGet200Response](docs/TestsDiscriminatorDuplicateEnumsGet200Response.md)
  - [TypeTesting](docs/TypeTesting.md)
  - [UniqueItemArrayTesting](docs/UniqueItemArrayTesting.md)
  - [User](docs/User.md)
+ - [Vehicle](docs/Vehicle.md)
 
 
 To get access to the crate's generated documentation, use:

samples/client/petstore/rust/hyper/petstore/docs/Person.md

@@ -0,0 +1,12 @@
+# Person
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**r#type** | **String** |  | 
+**name** | **String** |  | 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

samples/client/petstore/rust/hyper/petstore/docs/TestingApi.md

@@ -4,11 +4,37 @@ All URIs are relative to *http://petstore.swagger.io/v2*
 
 Method | HTTP request | Description
 ------------- | ------------- | -------------
+[**tests_discriminator_duplicate_enums_get**](TestingApi.md#tests_discriminator_duplicate_enums_get) | **Get** /tests/discriminatorDuplicateEnums | Test for duplicate enums when using discriminator. (One of the issues in #20500)
 [**tests_file_response_get**](TestingApi.md#tests_file_response_get) | **Get** /tests/fileResponse | Returns an image file
 [**tests_type_testing_get**](TestingApi.md#tests_type_testing_get) | **Get** /tests/typeTesting | Route to test the TypeTesting schema
 
 
 
+## tests_discriminator_duplicate_enums_get
+
+> models::TestsDiscriminatorDuplicateEnumsGet200Response tests_discriminator_duplicate_enums_get()
+Test for duplicate enums when using discriminator. (One of the issues in #20500)
+
+### Parameters
+
+This endpoint does not need any parameter.
+
+### Return type
+
+[**models::TestsDiscriminatorDuplicateEnumsGet200Response**](_tests_discriminatorDuplicateEnums_get_200_response.md)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: application/json
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+
+
 ## tests_file_response_get
 
 > std::path::PathBuf tests_file_response_get()

samples/client/petstore/rust/hyper/petstore/docs/TestsDiscriminatorDuplicateEnumsGet200Response.md

@@ -0,0 +1,10 @@
+# TestsDiscriminatorDuplicateEnumsGet200Response
+
+## Enum Variants
+
+| Name | Value |
+|---- | -----|
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

samples/client/petstore/rust/hyper/petstore/docs/Vehicle.md

@@ -0,0 +1,12 @@
+# Vehicle
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**r#type** | **String** |  | 
+**speed** | **f64** |  | 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

samples/client/petstore/rust/hyper/petstore/src/apis/testing_api.rs

@@ -37,12 +37,21 @@ impl<C: Connect> TestingApiClient<C>
 }
 
 pub trait TestingApi: Send + Sync {
+    fn tests_discriminator_duplicate_enums_get(&self, ) -> Pin<Box<dyn Future<Output = Result<models::TestsDiscriminatorDuplicateEnumsGet200Response, Error>> + Send>>;
     fn tests_file_response_get(&self, ) -> Pin<Box<dyn Future<Output = Result<std::path::PathBuf, Error>> + Send>>;
     fn tests_type_testing_get(&self, ) -> Pin<Box<dyn Future<Output = Result<models::TypeTesting, Error>> + Send>>;
 }
 
 impl<C: Connect>TestingApi for TestingApiClient<C>
     where C: Clone + std::marker::Send + Sync {
+    #[allow(unused_mut)]
+    fn tests_discriminator_duplicate_enums_get(&self, ) -> Pin<Box<dyn Future<Output = Result<models::TestsDiscriminatorDuplicateEnumsGet200Response, Error>> + Send>> {
+        let mut req = __internal_request::Request::new(hyper::Method::GET, "/tests/discriminatorDuplicateEnums".to_string())
+        ;
+
+        req.execute(self.configuration.borrow())
+    }
+
     #[allow(unused_mut)]
     fn tests_file_response_get(&self, ) -> Pin<Box<dyn Future<Output = Result<std::path::PathBuf, Error>> + Send>> {
         let mut req = __internal_request::Request::new(hyper::Method::GET, "/tests/fileResponse".to_string())

samples/client/petstore/rust/hyper/petstore/src/models/_tests_discriminator_duplicate_enums_get_200_response.rs

@@ -0,0 +1,57 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ * Generated by: https://openapi-generator.tech
+ */
+
+use crate::models;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
+#[serde(tag = "objectType")]
+pub enum TestsDiscriminatorDuplicateEnumsGet200Response {
+    #[serde(rename="car")]
+    Vehicle {
+        #[serde(rename = "type")]
+        r#type: String,
+        #[serde(rename = "name")]
+        name: String,
+        #[serde(rename = "speed")]
+        speed: f64,
+    },
+    #[serde(rename="student")]
+    PersonStudent {
+        #[serde(rename = "type")]
+        r#type: String,
+        #[serde(rename = "name")]
+        name: String,
+        #[serde(rename = "speed")]
+        speed: f64,
+    },
+    #[serde(rename="teacher")]
+    PersonTeacher {
+        #[serde(rename = "type")]
+        r#type: String,
+        #[serde(rename = "name")]
+        name: String,
+        #[serde(rename = "speed")]
+        speed: f64,
+    },
+}
+
+impl Default for TestsDiscriminatorDuplicateEnumsGet200Response {
+    fn default() -> Self {
+        Self::Vehicle {
+            r#type: Default::default(),
+            name: Default::default(),
+            speed: Default::default(),
+        }
+        
+    }
+}
+
+

samples/client/petstore/rust/hyper/petstore/src/models/mod.rs

@@ -20,6 +20,8 @@ pub mod optional_testing;
 pub use self::optional_testing::OptionalTesting;
 pub mod order;
 pub use self::order::Order;
+pub mod person;
+pub use self::person::Person;
 pub mod pet;
 pub use self::pet::Pet;
 pub mod property_test;
@@ -30,9 +32,13 @@ pub mod model_return;
 pub use self::model_return::Return;
 pub mod tag;
 pub use self::tag::Tag;
+pub mod _tests_discriminator_duplicate_enums_get_200_response;
+pub use self::_tests_discriminator_duplicate_enums_get_200_response::TestsDiscriminatorDuplicateEnumsGet200Response;
 pub mod type_testing;
 pub use self::type_testing::TypeTesting;
 pub mod unique_item_array_testing;
 pub use self::unique_item_array_testing::UniqueItemArrayTesting;
 pub mod user;
 pub use self::user::User;
+pub mod vehicle;
+pub use self::vehicle::Vehicle;

samples/client/petstore/rust/hyper/petstore/src/models/person.rs

@@ -0,0 +1,30 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ * Generated by: https://openapi-generator.tech
+ */
+
+use crate::models;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Default, Debug, PartialEq, Serialize, Deserialize)]
+pub struct Person {
+    #[serde(rename = "type")]
+    pub r#type: String,
+    #[serde(rename = "name")]
+    pub name: String,
+}
+
+impl Person {
+    pub fn new(r#type: String, name: String) -> Person {
+        Person {
+            r#type,
+            name,
+        }
+    }
+}
+

samples/client/petstore/rust/hyper/petstore/src/models/vehicle.rs

@@ -0,0 +1,30 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ * Generated by: https://openapi-generator.tech
+ */
+
+use crate::models;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Default, Debug, PartialEq, Serialize, Deserialize)]
+pub struct Vehicle {
+    #[serde(rename = "type")]
+    pub r#type: String,
+    #[serde(rename = "speed")]
+    pub speed: f64,
+}
+
+impl Vehicle {
+    pub fn new(r#type: String, speed: f64) -> Vehicle {
+        Vehicle {
+            r#type,
+            speed,
+        }
+    }
+}
+

samples/client/petstore/rust/hyper0x/petstore/.openapi-generator/FILES

@@ -14,6 +14,7 @@ docs/NullableArray.md
 docs/NumericEnumTesting.md
 docs/OptionalTesting.md
 docs/Order.md
+docs/Person.md
 docs/Pet.md
 docs/PetApi.md
 docs/PropertyTest.md
@@ -22,10 +23,12 @@ docs/Return.md
 docs/StoreApi.md
 docs/Tag.md
 docs/TestingApi.md
+docs/TestsDiscriminatorDuplicateEnumsGet200Response.md
 docs/TypeTesting.md
 docs/UniqueItemArrayTesting.md
 docs/User.md
 docs/UserApi.md
+docs/Vehicle.md
 git_push.sh
 src/apis/configuration.rs
 src/apis/fake_api.rs
@@ -35,6 +38,7 @@ src/apis/store_api.rs
 src/apis/testing_api.rs
 src/apis/user_api.rs
 src/lib.rs
+src/models/_tests_discriminator_duplicate_enums_get_200_response.rs
 src/models/action_container.rs
 src/models/any_type_test.rs
 src/models/api_response.rs
@@ -49,9 +53,11 @@ src/models/nullable_array.rs
 src/models/numeric_enum_testing.rs
 src/models/optional_testing.rs
 src/models/order.rs
+src/models/person.rs
 src/models/pet.rs
 src/models/property_test.rs
 src/models/tag.rs
 src/models/type_testing.rs
 src/models/unique_item_array_testing.rs
 src/models/user.rs
+src/models/vehicle.rs

samples/client/petstore/rust/hyper0x/petstore/README.md

@@ -39,6 +39,7 @@ Class | Method | HTTP request | Description
 *StoreApi* | [**get_inventory**](docs/StoreApi.md#get_inventory) | **GET** /store/inventory | Returns pet inventories by status
 *StoreApi* | [**get_order_by_id**](docs/StoreApi.md#get_order_by_id) | **GET** /store/order/{orderId} | Find purchase order by ID
 *StoreApi* | [**place_order**](docs/StoreApi.md#place_order) | **POST** /store/order | Place an order for a pet
+*TestingApi* | [**tests_discriminator_duplicate_enums_get**](docs/TestingApi.md#tests_discriminator_duplicate_enums_get) | **GET** /tests/discriminatorDuplicateEnums | Test for duplicate enums when using discriminator. (One of the issues in #20500)
 *TestingApi* | [**tests_file_response_get**](docs/TestingApi.md#tests_file_response_get) | **GET** /tests/fileResponse | Returns an image file
 *TestingApi* | [**tests_type_testing_get**](docs/TestingApi.md#tests_type_testing_get) | **GET** /tests/typeTesting | Route to test the TypeTesting schema
 *UserApi* | [**create_user**](docs/UserApi.md#create_user) | **POST** /user | Create user
@@ -64,14 +65,17 @@ Class | Method | HTTP request | Description
  - [NumericEnumTesting](docs/NumericEnumTesting.md)
  - [OptionalTesting](docs/OptionalTesting.md)
  - [Order](docs/Order.md)
+ - [Person](docs/Person.md)
  - [Pet](docs/Pet.md)
  - [PropertyTest](docs/PropertyTest.md)
  - [Ref](docs/Ref.md)
  - [Return](docs/Return.md)
  - [Tag](docs/Tag.md)
+ - [TestsDiscriminatorDuplicateEnumsGet200Response](docs/TestsDiscriminatorDuplicateEnumsGet200Response.md)
  - [TypeTesting](docs/TypeTesting.md)
  - [UniqueItemArrayTesting](docs/UniqueItemArrayTesting.md)
  - [User](docs/User.md)
+ - [Vehicle](docs/Vehicle.md)
 
 
 To get access to the crate's generated documentation, use:

samples/client/petstore/rust/hyper0x/petstore/docs/Person.md

@@ -0,0 +1,12 @@
+# Person
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**r#type** | **String** |  | 
+**name** | **String** |  | 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

samples/client/petstore/rust/hyper0x/petstore/docs/TestingApi.md

@@ -4,11 +4,37 @@ All URIs are relative to *http://petstore.swagger.io/v2*
 
 Method | HTTP request | Description
 ------------- | ------------- | -------------
+[**tests_discriminator_duplicate_enums_get**](TestingApi.md#tests_discriminator_duplicate_enums_get) | **GET** /tests/discriminatorDuplicateEnums | Test for duplicate enums when using discriminator. (One of the issues in #20500)
 [**tests_file_response_get**](TestingApi.md#tests_file_response_get) | **GET** /tests/fileResponse | Returns an image file
 [**tests_type_testing_get**](TestingApi.md#tests_type_testing_get) | **GET** /tests/typeTesting | Route to test the TypeTesting schema
 
 
 
+## tests_discriminator_duplicate_enums_get
+
+> models::TestsDiscriminatorDuplicateEnumsGet200Response tests_discriminator_duplicate_enums_get()
+Test for duplicate enums when using discriminator. (One of the issues in #20500)
+
+### Parameters
+
+This endpoint does not need any parameter.
+
+### Return type
+
+[**models::TestsDiscriminatorDuplicateEnumsGet200Response**](_tests_discriminatorDuplicateEnums_get_200_response.md)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: application/json
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+
+
 ## tests_file_response_get
 
 > std::path::PathBuf tests_file_response_get()

samples/client/petstore/rust/hyper0x/petstore/docs/TestsDiscriminatorDuplicateEnumsGet200Response.md

@@ -0,0 +1,10 @@
+# TestsDiscriminatorDuplicateEnumsGet200Response
+
+## Enum Variants
+
+| Name | Value |
+|---- | -----|
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

samples/client/petstore/rust/hyper0x/petstore/docs/Vehicle.md

@@ -0,0 +1,12 @@
+# Vehicle
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**r#type** | **String** |  | 
+**speed** | **f64** |  | 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

samples/client/petstore/rust/hyper0x/petstore/src/apis/testing_api.rs

@@ -36,12 +36,21 @@ impl<C: hyper::client::connect::Connect> TestingApiClient<C>
 }
 
 pub trait TestingApi {
+    fn tests_discriminator_duplicate_enums_get(&self, ) -> Pin<Box<dyn Future<Output = Result<models::TestsDiscriminatorDuplicateEnumsGet200Response, Error>>>>;
     fn tests_file_response_get(&self, ) -> Pin<Box<dyn Future<Output = Result<std::path::PathBuf, Error>>>>;
     fn tests_type_testing_get(&self, ) -> Pin<Box<dyn Future<Output = Result<models::TypeTesting, Error>>>>;
 }
 
 impl<C: hyper::client::connect::Connect>TestingApi for TestingApiClient<C>
     where C: Clone + std::marker::Send + Sync {
+    #[allow(unused_mut)]
+    fn tests_discriminator_duplicate_enums_get(&self, ) -> Pin<Box<dyn Future<Output = Result<models::TestsDiscriminatorDuplicateEnumsGet200Response, Error>>>> {
+        let mut req = __internal_request::Request::new(hyper::Method::GET, "/tests/discriminatorDuplicateEnums".to_string())
+        ;
+
+        req.execute(self.configuration.borrow())
+    }
+
     #[allow(unused_mut)]
     fn tests_file_response_get(&self, ) -> Pin<Box<dyn Future<Output = Result<std::path::PathBuf, Error>>>> {
         let mut req = __internal_request::Request::new(hyper::Method::GET, "/tests/fileResponse".to_string())

samples/client/petstore/rust/hyper0x/petstore/src/models/_tests_discriminator_duplicate_enums_get_200_response.rs

@@ -0,0 +1,57 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ * Generated by: https://openapi-generator.tech
+ */
+
+use crate::models;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
+#[serde(tag = "objectType")]
+pub enum TestsDiscriminatorDuplicateEnumsGet200Response {
+    #[serde(rename="car")]
+    Vehicle {
+        #[serde(rename = "type")]
+        r#type: String,
+        #[serde(rename = "name")]
+        name: String,
+        #[serde(rename = "speed")]
+        speed: f64,
+    },
+    #[serde(rename="student")]
+    PersonStudent {
+        #[serde(rename = "type")]
+        r#type: String,
+        #[serde(rename = "name")]
+        name: String,
+        #[serde(rename = "speed")]
+        speed: f64,
+    },
+    #[serde(rename="teacher")]
+    PersonTeacher {
+        #[serde(rename = "type")]
+        r#type: String,
+        #[serde(rename = "name")]
+        name: String,
+        #[serde(rename = "speed")]
+        speed: f64,
+    },
+}
+
+impl Default for TestsDiscriminatorDuplicateEnumsGet200Response {
+    fn default() -> Self {
+        Self::Vehicle {
+            r#type: Default::default(),
+            name: Default::default(),
+            speed: Default::default(),
+        }
+        
+    }
+}
+
+

samples/client/petstore/rust/hyper0x/petstore/src/models/mod.rs

@@ -20,6 +20,8 @@ pub mod optional_testing;
 pub use self::optional_testing::OptionalTesting;
 pub mod order;
 pub use self::order::Order;
+pub mod person;
+pub use self::person::Person;
 pub mod pet;
 pub use self::pet::Pet;
 pub mod property_test;
@@ -30,9 +32,13 @@ pub mod model_return;
 pub use self::model_return::Return;
 pub mod tag;
 pub use self::tag::Tag;
+pub mod _tests_discriminator_duplicate_enums_get_200_response;
+pub use self::_tests_discriminator_duplicate_enums_get_200_response::TestsDiscriminatorDuplicateEnumsGet200Response;
 pub mod type_testing;
 pub use self::type_testing::TypeTesting;
 pub mod unique_item_array_testing;
 pub use self::unique_item_array_testing::UniqueItemArrayTesting;
 pub mod user;
 pub use self::user::User;
+pub mod vehicle;
+pub use self::vehicle::Vehicle;

samples/client/petstore/rust/hyper0x/petstore/src/models/person.rs

@@ -0,0 +1,30 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ * Generated by: https://openapi-generator.tech
+ */
+
+use crate::models;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Default, Debug, PartialEq, Serialize, Deserialize)]
+pub struct Person {
+    #[serde(rename = "type")]
+    pub r#type: String,
+    #[serde(rename = "name")]
+    pub name: String,
+}
+
+impl Person {
+    pub fn new(r#type: String, name: String) -> Person {
+        Person {
+            r#type,
+            name,
+        }
+    }
+}
+

samples/client/petstore/rust/hyper0x/petstore/src/models/vehicle.rs

@@ -0,0 +1,30 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ * Generated by: https://openapi-generator.tech
+ */
+
+use crate::models;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Default, Debug, PartialEq, Serialize, Deserialize)]
+pub struct Vehicle {
+    #[serde(rename = "type")]
+    pub r#type: String,
+    #[serde(rename = "speed")]
+    pub speed: f64,
+}
+
+impl Vehicle {
+    pub fn new(r#type: String, speed: f64) -> Vehicle {
+        Vehicle {
+            r#type,
+            speed,
+        }
+    }
+}
+

samples/client/petstore/rust/reqwest-trait/petstore/.openapi-generator/FILES

@@ -14,6 +14,7 @@ docs/NullableArray.md
 docs/NumericEnumTesting.md
 docs/OptionalTesting.md
 docs/Order.md
+docs/Person.md
 docs/Pet.md
 docs/PetApi.md
 docs/PropertyTest.md
@@ -22,10 +23,12 @@ docs/Return.md
 docs/StoreApi.md
 docs/Tag.md
 docs/TestingApi.md
+docs/TestsDiscriminatorDuplicateEnumsGet200Response.md
 docs/TypeTesting.md
 docs/UniqueItemArrayTesting.md
 docs/User.md
 docs/UserApi.md
+docs/Vehicle.md
 git_push.sh
 src/apis/configuration.rs
 src/apis/fake_api.rs
@@ -35,6 +38,7 @@ src/apis/store_api.rs
 src/apis/testing_api.rs
 src/apis/user_api.rs
 src/lib.rs
+src/models/_tests_discriminator_duplicate_enums_get_200_response.rs
 src/models/action_container.rs
 src/models/any_type_test.rs
 src/models/api_response.rs
@@ -49,9 +53,11 @@ src/models/nullable_array.rs
 src/models/numeric_enum_testing.rs
 src/models/optional_testing.rs
 src/models/order.rs
+src/models/person.rs
 src/models/pet.rs
 src/models/property_test.rs
 src/models/tag.rs
 src/models/type_testing.rs
 src/models/unique_item_array_testing.rs
 src/models/user.rs
+src/models/vehicle.rs

samples/client/petstore/rust/reqwest-trait/petstore/README.md

@@ -39,6 +39,7 @@ Class | Method | HTTP request | Description
 *StoreApi* | [**get_inventory**](docs/StoreApi.md#get_inventory) | **GET** /store/inventory | Returns pet inventories by status
 *StoreApi* | [**get_order_by_id**](docs/StoreApi.md#get_order_by_id) | **GET** /store/order/{orderId} | Find purchase order by ID
 *StoreApi* | [**place_order**](docs/StoreApi.md#place_order) | **POST** /store/order | Place an order for a pet
+*TestingApi* | [**tests_discriminator_duplicate_enums_get**](docs/TestingApi.md#tests_discriminator_duplicate_enums_get) | **GET** /tests/discriminatorDuplicateEnums | Test for duplicate enums when using discriminator. (One of the issues in #20500)
 *TestingApi* | [**tests_file_response_get**](docs/TestingApi.md#tests_file_response_get) | **GET** /tests/fileResponse | Returns an image file
 *TestingApi* | [**tests_type_testing_get**](docs/TestingApi.md#tests_type_testing_get) | **GET** /tests/typeTesting | Route to test the TypeTesting schema
 *UserApi* | [**create_user**](docs/UserApi.md#create_user) | **POST** /user | Create user
@@ -64,14 +65,17 @@ Class | Method | HTTP request | Description
  - [NumericEnumTesting](docs/NumericEnumTesting.md)
  - [OptionalTesting](docs/OptionalTesting.md)
  - [Order](docs/Order.md)
+ - [Person](docs/Person.md)
  - [Pet](docs/Pet.md)
  - [PropertyTest](docs/PropertyTest.md)
  - [Ref](docs/Ref.md)
  - [Return](docs/Return.md)
  - [Tag](docs/Tag.md)
+ - [TestsDiscriminatorDuplicateEnumsGet200Response](docs/TestsDiscriminatorDuplicateEnumsGet200Response.md)
  - [TypeTesting](docs/TypeTesting.md)
  - [UniqueItemArrayTesting](docs/UniqueItemArrayTesting.md)
  - [User](docs/User.md)
+ - [Vehicle](docs/Vehicle.md)
 
 
 To get access to the crate's generated documentation, use:

samples/client/petstore/rust/reqwest-trait/petstore/docs/Person.md

@@ -0,0 +1,12 @@
+# Person
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**r#type** | **String** |  | 
+**name** | **String** |  | 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

samples/client/petstore/rust/reqwest-trait/petstore/docs/TestingApi.md

@@ -4,11 +4,37 @@ All URIs are relative to *http://petstore.swagger.io/v2*
 
 Method | HTTP request | Description
 ------------- | ------------- | -------------
+[**tests_discriminator_duplicate_enums_get**](TestingApi.md#tests_discriminator_duplicate_enums_get) | **GET** /tests/discriminatorDuplicateEnums | Test for duplicate enums when using discriminator. (One of the issues in #20500)
 [**tests_file_response_get**](TestingApi.md#tests_file_response_get) | **GET** /tests/fileResponse | Returns an image file
 [**tests_type_testing_get**](TestingApi.md#tests_type_testing_get) | **GET** /tests/typeTesting | Route to test the TypeTesting schema
 
 
 
+## tests_discriminator_duplicate_enums_get
+
+> models::TestsDiscriminatorDuplicateEnumsGet200Response tests_discriminator_duplicate_enums_get()
+Test for duplicate enums when using discriminator. (One of the issues in #20500)
+
+### Parameters
+
+This endpoint does not need any parameter.
+
+### Return type
+
+[**models::TestsDiscriminatorDuplicateEnumsGet200Response**](_tests_discriminatorDuplicateEnums_get_200_response.md)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: application/json
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+
+
 ## tests_file_response_get
 
 > std::path::PathBuf tests_file_response_get()

samples/client/petstore/rust/reqwest-trait/petstore/docs/TestsDiscriminatorDuplicateEnumsGet200Response.md

@@ -0,0 +1,10 @@
+# TestsDiscriminatorDuplicateEnumsGet200Response
+
+## Enum Variants
+
+| Name | Value |
+|---- | -----|
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

samples/client/petstore/rust/reqwest-trait/petstore/docs/Vehicle.md

@@ -0,0 +1,12 @@
+# Vehicle
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**r#type** | **String** |  | 
+**speed** | **f64** |  | 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

samples/client/petstore/rust/reqwest-trait/petstore/src/apis/testing_api.rs

@@ -23,6 +23,11 @@ use crate::apis::ContentType;
 #[async_trait]
 pub trait TestingApi: Send + Sync {
 
+    /// GET /tests/discriminatorDuplicateEnums
+    ///
+    /// 
+    async fn tests_discriminator_duplicate_enums_get<>(&self, ) -> Result<models::TestsDiscriminatorDuplicateEnumsGet200Response, Error<TestsDiscriminatorDuplicateEnumsGetError>>;
+
     /// GET /tests/fileResponse
     ///
     /// 
@@ -48,6 +53,43 @@ impl TestingApiClient {
 
 #[async_trait]
 impl TestingApi for TestingApiClient {
+    async fn tests_discriminator_duplicate_enums_get<>(&self, ) -> Result<models::TestsDiscriminatorDuplicateEnumsGet200Response, Error<TestsDiscriminatorDuplicateEnumsGetError>> {
+        let local_var_configuration = &self.configuration;
+
+        let local_var_client = &local_var_configuration.client;
+
+        let local_var_uri_str = format!("{}/tests/discriminatorDuplicateEnums", local_var_configuration.base_path);
+        let mut local_var_req_builder = local_var_client.request(reqwest::Method::GET, local_var_uri_str.as_str());
+
+        if let Some(ref local_var_user_agent) = local_var_configuration.user_agent {
+            local_var_req_builder = local_var_req_builder.header(reqwest::header::USER_AGENT, local_var_user_agent.clone());
+        }
+
+        let local_var_req = local_var_req_builder.build()?;
+        let local_var_resp = local_var_client.execute(local_var_req).await?;
+
+        let local_var_status = local_var_resp.status();
+        let local_var_content_type = local_var_resp
+            .headers()
+            .get("content-type")
+            .and_then(|v| v.to_str().ok())
+            .unwrap_or("application/octet-stream");
+        let local_var_content_type = super::ContentType::from(local_var_content_type);
+        let local_var_content = local_var_resp.text().await?;
+
+        if !local_var_status.is_client_error() && !local_var_status.is_server_error() {
+            match local_var_content_type {
+                ContentType::Json => serde_json::from_str(&local_var_content).map_err(Error::from),
+                ContentType::Text => return Err(Error::from(serde_json::Error::custom("Received `text/plain` content type response that cannot be converted to `models::TestsDiscriminatorDuplicateEnumsGet200Response`"))),
+                ContentType::Unsupported(local_var_unknown_type) => return Err(Error::from(serde_json::Error::custom(format!("Received `{local_var_unknown_type}` content type response that cannot be converted to `models::TestsDiscriminatorDuplicateEnumsGet200Response`")))),
+            }
+        } else {
+            let local_var_entity: Option<TestsDiscriminatorDuplicateEnumsGetError> = serde_json::from_str(&local_var_content).ok();
+            let local_var_error = ResponseContent { status: local_var_status, content: local_var_content, entity: local_var_entity };
+            Err(Error::ResponseError(local_var_error))
+        }
+    }
+
     async fn tests_file_response_get<>(&self, ) -> Result<std::path::PathBuf, Error<TestsFileResponseGetError>> {
         let local_var_configuration = &self.configuration;
 
@@ -124,6 +166,13 @@ impl TestingApi for TestingApiClient {
 
 }
 
+/// struct for typed errors of method [`tests_discriminator_duplicate_enums_get`]
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(untagged)]
+pub enum TestsDiscriminatorDuplicateEnumsGetError {
+    UnknownValue(serde_json::Value),
+}
+
 /// struct for typed errors of method [`tests_file_response_get`]
 #[derive(Debug, Clone, Serialize, Deserialize)]
 #[serde(untagged)]

samples/client/petstore/rust/reqwest-trait/petstore/src/models/_tests_discriminator_duplicate_enums_get_200_response.rs

@@ -0,0 +1,57 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ * Generated by: https://openapi-generator.tech
+ */
+
+use crate::models;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
+#[serde(tag = "objectType")]
+pub enum TestsDiscriminatorDuplicateEnumsGet200Response {
+    #[serde(rename="car")]
+    Vehicle {
+        #[serde(rename = "type")]
+        r#type: String,
+        #[serde(rename = "name")]
+        name: String,
+        #[serde(rename = "speed")]
+        speed: f64,
+    },
+    #[serde(rename="student")]
+    PersonStudent {
+        #[serde(rename = "type")]
+        r#type: String,
+        #[serde(rename = "name")]
+        name: String,
+        #[serde(rename = "speed")]
+        speed: f64,
+    },
+    #[serde(rename="teacher")]
+    PersonTeacher {
+        #[serde(rename = "type")]
+        r#type: String,
+        #[serde(rename = "name")]
+        name: String,
+        #[serde(rename = "speed")]
+        speed: f64,
+    },
+}
+
+impl Default for TestsDiscriminatorDuplicateEnumsGet200Response {
+    fn default() -> Self {
+        Self::Vehicle {
+            r#type: Default::default(),
+            name: Default::default(),
+            speed: Default::default(),
+        }
+        
+    }
+}
+
+

samples/client/petstore/rust/reqwest-trait/petstore/src/models/mod.rs

@@ -20,6 +20,8 @@ pub mod optional_testing;
 pub use self::optional_testing::OptionalTesting;
 pub mod order;
 pub use self::order::Order;
+pub mod person;
+pub use self::person::Person;
 pub mod pet;
 pub use self::pet::Pet;
 pub mod property_test;
@@ -30,9 +32,13 @@ pub mod model_return;
 pub use self::model_return::Return;
 pub mod tag;
 pub use self::tag::Tag;
+pub mod _tests_discriminator_duplicate_enums_get_200_response;
+pub use self::_tests_discriminator_duplicate_enums_get_200_response::TestsDiscriminatorDuplicateEnumsGet200Response;
 pub mod type_testing;
 pub use self::type_testing::TypeTesting;
 pub mod unique_item_array_testing;
 pub use self::unique_item_array_testing::UniqueItemArrayTesting;
 pub mod user;
 pub use self::user::User;
+pub mod vehicle;
+pub use self::vehicle::Vehicle;

samples/client/petstore/rust/reqwest-trait/petstore/src/models/person.rs

@@ -0,0 +1,30 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ * Generated by: https://openapi-generator.tech
+ */
+
+use crate::models;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Default, Debug, PartialEq, Serialize, Deserialize)]
+pub struct Person {
+    #[serde(rename = "type")]
+    pub r#type: String,
+    #[serde(rename = "name")]
+    pub name: String,
+}
+
+impl Person {
+    pub fn new(r#type: String, name: String) -> Person {
+        Person {
+            r#type,
+            name,
+        }
+    }
+}
+

samples/client/petstore/rust/reqwest-trait/petstore/src/models/vehicle.rs

@@ -0,0 +1,30 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ * Generated by: https://openapi-generator.tech
+ */
+
+use crate::models;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Default, Debug, PartialEq, Serialize, Deserialize)]
+pub struct Vehicle {
+    #[serde(rename = "type")]
+    pub r#type: String,
+    #[serde(rename = "speed")]
+    pub speed: f64,
+}
+
+impl Vehicle {
+    pub fn new(r#type: String, speed: f64) -> Vehicle {
+        Vehicle {
+            r#type,
+            speed,
+        }
+    }
+}
+

samples/client/petstore/rust/reqwest/petstore-async-middleware/.openapi-generator/FILES

@@ -14,6 +14,7 @@ docs/NullableArray.md
 docs/NumericEnumTesting.md
 docs/OptionalTesting.md
 docs/Order.md
+docs/Person.md
 docs/Pet.md
 docs/PetApi.md
 docs/PropertyTest.md
@@ -22,10 +23,12 @@ docs/Return.md
 docs/StoreApi.md
 docs/Tag.md
 docs/TestingApi.md
+docs/TestsDiscriminatorDuplicateEnumsGet200Response.md
 docs/TypeTesting.md
 docs/UniqueItemArrayTesting.md
 docs/User.md
 docs/UserApi.md
+docs/Vehicle.md
 git_push.sh
 src/apis/configuration.rs
 src/apis/fake_api.rs
@@ -35,6 +38,7 @@ src/apis/store_api.rs
 src/apis/testing_api.rs
 src/apis/user_api.rs
 src/lib.rs
+src/models/_tests_discriminator_duplicate_enums_get_200_response.rs
 src/models/action_container.rs
 src/models/any_type_test.rs
 src/models/api_response.rs
@@ -49,9 +53,11 @@ src/models/nullable_array.rs
 src/models/numeric_enum_testing.rs
 src/models/optional_testing.rs
 src/models/order.rs
+src/models/person.rs
 src/models/pet.rs
 src/models/property_test.rs
 src/models/tag.rs
 src/models/type_testing.rs
 src/models/unique_item_array_testing.rs
 src/models/user.rs
+src/models/vehicle.rs

samples/client/petstore/rust/reqwest/petstore-async-middleware/README.md

@@ -39,6 +39,7 @@ Class | Method | HTTP request | Description
 *StoreApi* | [**get_inventory**](docs/StoreApi.md#get_inventory) | **GET** /store/inventory | Returns pet inventories by status
 *StoreApi* | [**get_order_by_id**](docs/StoreApi.md#get_order_by_id) | **GET** /store/order/{orderId} | Find purchase order by ID
 *StoreApi* | [**place_order**](docs/StoreApi.md#place_order) | **POST** /store/order | Place an order for a pet
+*TestingApi* | [**tests_discriminator_duplicate_enums_get**](docs/TestingApi.md#tests_discriminator_duplicate_enums_get) | **GET** /tests/discriminatorDuplicateEnums | Test for duplicate enums when using discriminator. (One of the issues in #20500)
 *TestingApi* | [**tests_file_response_get**](docs/TestingApi.md#tests_file_response_get) | **GET** /tests/fileResponse | Returns an image file
 *TestingApi* | [**tests_type_testing_get**](docs/TestingApi.md#tests_type_testing_get) | **GET** /tests/typeTesting | Route to test the TypeTesting schema
 *UserApi* | [**create_user**](docs/UserApi.md#create_user) | **POST** /user | Create user
@@ -64,14 +65,17 @@ Class | Method | HTTP request | Description
  - [NumericEnumTesting](docs/NumericEnumTesting.md)
  - [OptionalTesting](docs/OptionalTesting.md)
  - [Order](docs/Order.md)
+ - [Person](docs/Person.md)
  - [Pet](docs/Pet.md)
  - [PropertyTest](docs/PropertyTest.md)
  - [Ref](docs/Ref.md)
  - [Return](docs/Return.md)
  - [Tag](docs/Tag.md)
+ - [TestsDiscriminatorDuplicateEnumsGet200Response](docs/TestsDiscriminatorDuplicateEnumsGet200Response.md)
  - [TypeTesting](docs/TypeTesting.md)
  - [UniqueItemArrayTesting](docs/UniqueItemArrayTesting.md)
  - [User](docs/User.md)
+ - [Vehicle](docs/Vehicle.md)
 
 
 To get access to the crate's generated documentation, use:

samples/client/petstore/rust/reqwest/petstore-async-middleware/docs/Person.md

@@ -0,0 +1,12 @@
+# Person
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**r#type** | **String** |  | 
+**name** | **String** |  | 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

samples/client/petstore/rust/reqwest/petstore-async-middleware/docs/TestingApi.md

@@ -4,11 +4,37 @@ All URIs are relative to *http://petstore.swagger.io/v2*
 
 Method | HTTP request | Description
 ------------- | ------------- | -------------
+[**tests_discriminator_duplicate_enums_get**](TestingApi.md#tests_discriminator_duplicate_enums_get) | **GET** /tests/discriminatorDuplicateEnums | Test for duplicate enums when using discriminator. (One of the issues in #20500)
 [**tests_file_response_get**](TestingApi.md#tests_file_response_get) | **GET** /tests/fileResponse | Returns an image file
 [**tests_type_testing_get**](TestingApi.md#tests_type_testing_get) | **GET** /tests/typeTesting | Route to test the TypeTesting schema
 
 
 
+## tests_discriminator_duplicate_enums_get
+
+> models::TestsDiscriminatorDuplicateEnumsGet200Response tests_discriminator_duplicate_enums_get()
+Test for duplicate enums when using discriminator. (One of the issues in #20500)
+
+### Parameters
+
+This endpoint does not need any parameter.
+
+### Return type
+
+[**models::TestsDiscriminatorDuplicateEnumsGet200Response**](_tests_discriminatorDuplicateEnums_get_200_response.md)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: application/json
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+
+
 ## tests_file_response_get
 
 > std::path::PathBuf tests_file_response_get()

samples/client/petstore/rust/reqwest/petstore-async-middleware/docs/TestsDiscriminatorDuplicateEnumsGet200Response.md

@@ -0,0 +1,10 @@
+# TestsDiscriminatorDuplicateEnumsGet200Response
+
+## Enum Variants
+
+| Name | Value |
+|---- | -----|
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

samples/client/petstore/rust/reqwest/petstore-async-middleware/docs/Vehicle.md

@@ -0,0 +1,12 @@
+# Vehicle
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**r#type** | **String** |  | 
+**speed** | **f64** |  | 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

samples/client/petstore/rust/reqwest/petstore-async-middleware/src/apis/testing_api.rs

@@ -15,6 +15,14 @@ use crate::{apis::ResponseContent, models};
 use super::{Error, configuration, ContentType};
 
 
+/// struct for typed successes of method [`tests_discriminator_duplicate_enums_get`]
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(untagged)]
+pub enum TestsDiscriminatorDuplicateEnumsGetSuccess {
+    Status200(models::TestsDiscriminatorDuplicateEnumsGet200Response),
+    UnknownValue(serde_json::Value),
+}
+
 /// struct for typed successes of method [`tests_file_response_get`]
 #[derive(Debug, Clone, Serialize, Deserialize)]
 #[serde(untagged)]
@@ -31,6 +39,13 @@ pub enum TestsTypeTestingGetSuccess {
     UnknownValue(serde_json::Value),
 }
 
+/// struct for typed errors of method [`tests_discriminator_duplicate_enums_get`]
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(untagged)]
+pub enum TestsDiscriminatorDuplicateEnumsGetError {
+    UnknownValue(serde_json::Value),
+}
+
 /// struct for typed errors of method [`tests_file_response_get`]
 #[derive(Debug, Clone, Serialize, Deserialize)]
 #[serde(untagged)]
@@ -46,6 +61,31 @@ pub enum TestsTypeTestingGetError {
 }
 
 
+pub async fn tests_discriminator_duplicate_enums_get(configuration: &configuration::Configuration) -> Result<ResponseContent<TestsDiscriminatorDuplicateEnumsGetSuccess>, Error<TestsDiscriminatorDuplicateEnumsGetError>> {
+
+    let uri_str = format!("{}/tests/discriminatorDuplicateEnums", configuration.base_path);
+    let mut req_builder = configuration.client.request(reqwest::Method::GET, &uri_str);
+
+    if let Some(ref user_agent) = configuration.user_agent {
+        req_builder = req_builder.header(reqwest::header::USER_AGENT, user_agent.clone());
+    }
+
+    let req = req_builder.build()?;
+    let resp = configuration.client.execute(req).await?;
+
+    let status = resp.status();
+
+    if !status.is_client_error() && !status.is_server_error() {
+        let content = resp.text().await?;
+        let entity: Option<TestsDiscriminatorDuplicateEnumsGetSuccess> = serde_json::from_str(&content).ok();
+        Ok(ResponseContent { status, content, entity })
+    } else {
+        let content = resp.text().await?;
+        let entity: Option<TestsDiscriminatorDuplicateEnumsGetError> = serde_json::from_str(&content).ok();
+        Err(Error::ResponseError(ResponseContent { status, content, entity }))
+    }
+}
+
 pub async fn tests_file_response_get(configuration: &configuration::Configuration) -> Result<reqwest::Response, Error<TestsFileResponseGetError>> {
 
     let uri_str = format!("{}/tests/fileResponse", configuration.base_path);

samples/client/petstore/rust/reqwest/petstore-async-middleware/src/models/_tests_discriminator_duplicate_enums_get_200_response.rs

@@ -0,0 +1,57 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ * Generated by: https://openapi-generator.tech
+ */
+
+use crate::models;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
+#[serde(tag = "objectType")]
+pub enum TestsDiscriminatorDuplicateEnumsGet200Response {
+    #[serde(rename="car")]
+    Vehicle {
+        #[serde(rename = "type")]
+        r#type: String,
+        #[serde(rename = "name")]
+        name: String,
+        #[serde(rename = "speed")]
+        speed: f64,
+    },
+    #[serde(rename="student")]
+    PersonStudent {
+        #[serde(rename = "type")]
+        r#type: String,
+        #[serde(rename = "name")]
+        name: String,
+        #[serde(rename = "speed")]
+        speed: f64,
+    },
+    #[serde(rename="teacher")]
+    PersonTeacher {
+        #[serde(rename = "type")]
+        r#type: String,
+        #[serde(rename = "name")]
+        name: String,
+        #[serde(rename = "speed")]
+        speed: f64,
+    },
+}
+
+impl Default for TestsDiscriminatorDuplicateEnumsGet200Response {
+    fn default() -> Self {
+        Self::Vehicle {
+            r#type: Default::default(),
+            name: Default::default(),
+            speed: Default::default(),
+        }
+        
+    }
+}
+
+

samples/client/petstore/rust/reqwest/petstore-async-middleware/src/models/mod.rs

@@ -20,6 +20,8 @@ pub mod optional_testing;
 pub use self::optional_testing::OptionalTesting;
 pub mod order;
 pub use self::order::Order;
+pub mod person;
+pub use self::person::Person;
 pub mod pet;
 pub use self::pet::Pet;
 pub mod property_test;
@@ -30,9 +32,13 @@ pub mod model_return;
 pub use self::model_return::Return;
 pub mod tag;
 pub use self::tag::Tag;
+pub mod _tests_discriminator_duplicate_enums_get_200_response;
+pub use self::_tests_discriminator_duplicate_enums_get_200_response::TestsDiscriminatorDuplicateEnumsGet200Response;
 pub mod type_testing;
 pub use self::type_testing::TypeTesting;
 pub mod unique_item_array_testing;
 pub use self::unique_item_array_testing::UniqueItemArrayTesting;
 pub mod user;
 pub use self::user::User;
+pub mod vehicle;
+pub use self::vehicle::Vehicle;

samples/client/petstore/rust/reqwest/petstore-async-middleware/src/models/person.rs

@@ -0,0 +1,30 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ * Generated by: https://openapi-generator.tech
+ */
+
+use crate::models;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Default, Debug, PartialEq, Serialize, Deserialize)]
+pub struct Person {
+    #[serde(rename = "type")]
+    pub r#type: String,
+    #[serde(rename = "name")]
+    pub name: String,
+}
+
+impl Person {
+    pub fn new(r#type: String, name: String) -> Person {
+        Person {
+            r#type,
+            name,
+        }
+    }
+}
+

samples/client/petstore/rust/reqwest/petstore-async-middleware/src/models/vehicle.rs

@@ -0,0 +1,30 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ * Generated by: https://openapi-generator.tech
+ */
+
+use crate::models;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Default, Debug, PartialEq, Serialize, Deserialize)]
+pub struct Vehicle {
+    #[serde(rename = "type")]
+    pub r#type: String,
+    #[serde(rename = "speed")]
+    pub speed: f64,
+}
+
+impl Vehicle {
+    pub fn new(r#type: String, speed: f64) -> Vehicle {
+        Vehicle {
+            r#type,
+            speed,
+        }
+    }
+}
+

samples/client/petstore/rust/reqwest/petstore-async-tokensource/.openapi-generator/FILES

@@ -14,6 +14,7 @@ docs/NullableArray.md
 docs/NumericEnumTesting.md
 docs/OptionalTesting.md
 docs/Order.md
+docs/Person.md
 docs/Pet.md
 docs/PetApi.md
 docs/PropertyTest.md
@@ -22,10 +23,12 @@ docs/Return.md
 docs/StoreApi.md
 docs/Tag.md
 docs/TestingApi.md
+docs/TestsDiscriminatorDuplicateEnumsGet200Response.md
 docs/TypeTesting.md
 docs/UniqueItemArrayTesting.md
 docs/User.md
 docs/UserApi.md
+docs/Vehicle.md
 git_push.sh
 src/apis/configuration.rs
 src/apis/fake_api.rs
@@ -35,6 +38,7 @@ src/apis/store_api.rs
 src/apis/testing_api.rs
 src/apis/user_api.rs
 src/lib.rs
+src/models/_tests_discriminator_duplicate_enums_get_200_response.rs
 src/models/action_container.rs
 src/models/any_type_test.rs
 src/models/api_response.rs
@@ -49,9 +53,11 @@ src/models/nullable_array.rs
 src/models/numeric_enum_testing.rs
 src/models/optional_testing.rs
 src/models/order.rs
+src/models/person.rs
 src/models/pet.rs
 src/models/property_test.rs
 src/models/tag.rs
 src/models/type_testing.rs
 src/models/unique_item_array_testing.rs
 src/models/user.rs
+src/models/vehicle.rs

samples/client/petstore/rust/reqwest/petstore-async-tokensource/README.md

@@ -39,6 +39,7 @@ Class | Method | HTTP request | Description
 *StoreApi* | [**get_inventory**](docs/StoreApi.md#get_inventory) | **GET** /store/inventory | Returns pet inventories by status
 *StoreApi* | [**get_order_by_id**](docs/StoreApi.md#get_order_by_id) | **GET** /store/order/{orderId} | Find purchase order by ID
 *StoreApi* | [**place_order**](docs/StoreApi.md#place_order) | **POST** /store/order | Place an order for a pet
+*TestingApi* | [**tests_discriminator_duplicate_enums_get**](docs/TestingApi.md#tests_discriminator_duplicate_enums_get) | **GET** /tests/discriminatorDuplicateEnums | Test for duplicate enums when using discriminator. (One of the issues in #20500)
 *TestingApi* | [**tests_file_response_get**](docs/TestingApi.md#tests_file_response_get) | **GET** /tests/fileResponse | Returns an image file
 *TestingApi* | [**tests_type_testing_get**](docs/TestingApi.md#tests_type_testing_get) | **GET** /tests/typeTesting | Route to test the TypeTesting schema
 *UserApi* | [**create_user**](docs/UserApi.md#create_user) | **POST** /user | Create user
@@ -64,14 +65,17 @@ Class | Method | HTTP request | Description
  - [NumericEnumTesting](docs/NumericEnumTesting.md)
  - [OptionalTesting](docs/OptionalTesting.md)
  - [Order](docs/Order.md)
+ - [Person](docs/Person.md)
  - [Pet](docs/Pet.md)
  - [PropertyTest](docs/PropertyTest.md)
  - [Ref](docs/Ref.md)
  - [Return](docs/Return.md)
  - [Tag](docs/Tag.md)
+ - [TestsDiscriminatorDuplicateEnumsGet200Response](docs/TestsDiscriminatorDuplicateEnumsGet200Response.md)
  - [TypeTesting](docs/TypeTesting.md)
  - [UniqueItemArrayTesting](docs/UniqueItemArrayTesting.md)
  - [User](docs/User.md)
+ - [Vehicle](docs/Vehicle.md)
 
 
 To get access to the crate's generated documentation, use:

samples/client/petstore/rust/reqwest/petstore-async-tokensource/docs/Person.md

@@ -0,0 +1,12 @@
+# Person
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**r#type** | **String** |  | 
+**name** | **String** |  | 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

samples/client/petstore/rust/reqwest/petstore-async-tokensource/docs/TestingApi.md

@@ -4,11 +4,37 @@ All URIs are relative to *http://petstore.swagger.io/v2*
 
 Method | HTTP request | Description
 ------------- | ------------- | -------------
+[**tests_discriminator_duplicate_enums_get**](TestingApi.md#tests_discriminator_duplicate_enums_get) | **GET** /tests/discriminatorDuplicateEnums | Test for duplicate enums when using discriminator. (One of the issues in #20500)
 [**tests_file_response_get**](TestingApi.md#tests_file_response_get) | **GET** /tests/fileResponse | Returns an image file
 [**tests_type_testing_get**](TestingApi.md#tests_type_testing_get) | **GET** /tests/typeTesting | Route to test the TypeTesting schema
 
 
 
+## tests_discriminator_duplicate_enums_get
+
+> models::TestsDiscriminatorDuplicateEnumsGet200Response tests_discriminator_duplicate_enums_get()
+Test for duplicate enums when using discriminator. (One of the issues in #20500)
+
+### Parameters
+
+This endpoint does not need any parameter.
+
+### Return type
+
+[**models::TestsDiscriminatorDuplicateEnumsGet200Response**](_tests_discriminatorDuplicateEnums_get_200_response.md)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: application/json
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+
+
 ## tests_file_response_get
 
 > std::path::PathBuf tests_file_response_get()

samples/client/petstore/rust/reqwest/petstore-async-tokensource/docs/TestsDiscriminatorDuplicateEnumsGet200Response.md

@@ -0,0 +1,10 @@
+# TestsDiscriminatorDuplicateEnumsGet200Response
+
+## Enum Variants
+
+| Name | Value |
+|---- | -----|
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

samples/client/petstore/rust/reqwest/petstore-async-tokensource/docs/Vehicle.md

@@ -0,0 +1,12 @@
+# Vehicle
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**r#type** | **String** |  | 
+**speed** | **f64** |  | 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

samples/client/petstore/rust/reqwest/petstore-async-tokensource/src/apis/testing_api.rs

@@ -15,6 +15,14 @@ use crate::{apis::ResponseContent, models};
 use super::{Error, configuration, ContentType};
 
 
+/// struct for typed successes of method [`tests_discriminator_duplicate_enums_get`]
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(untagged)]
+pub enum TestsDiscriminatorDuplicateEnumsGetSuccess {
+    Status200(models::TestsDiscriminatorDuplicateEnumsGet200Response),
+    UnknownValue(serde_json::Value),
+}
+
 /// struct for typed successes of method [`tests_file_response_get`]
 #[derive(Debug, Clone, Serialize, Deserialize)]
 #[serde(untagged)]
@@ -31,6 +39,13 @@ pub enum TestsTypeTestingGetSuccess {
     UnknownValue(serde_json::Value),
 }
 
+/// struct for typed errors of method [`tests_discriminator_duplicate_enums_get`]
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(untagged)]
+pub enum TestsDiscriminatorDuplicateEnumsGetError {
+    UnknownValue(serde_json::Value),
+}
+
 /// struct for typed errors of method [`tests_file_response_get`]
 #[derive(Debug, Clone, Serialize, Deserialize)]
 #[serde(untagged)]
@@ -46,6 +61,31 @@ pub enum TestsTypeTestingGetError {
 }
 
 
+pub async fn tests_discriminator_duplicate_enums_get(configuration: &configuration::Configuration) -> Result<ResponseContent<TestsDiscriminatorDuplicateEnumsGetSuccess>, Error<TestsDiscriminatorDuplicateEnumsGetError>> {
+
+    let uri_str = format!("{}/tests/discriminatorDuplicateEnums", configuration.base_path);
+    let mut req_builder = configuration.client.request(reqwest::Method::GET, &uri_str);
+
+    if let Some(ref user_agent) = configuration.user_agent {
+        req_builder = req_builder.header(reqwest::header::USER_AGENT, user_agent.clone());
+    }
+
+    let req = req_builder.build()?;
+    let resp = configuration.client.execute(req).await?;
+
+    let status = resp.status();
+
+    if !status.is_client_error() && !status.is_server_error() {
+        let content = resp.text().await?;
+        let entity: Option<TestsDiscriminatorDuplicateEnumsGetSuccess> = serde_json::from_str(&content).ok();
+        Ok(ResponseContent { status, content, entity })
+    } else {
+        let content = resp.text().await?;
+        let entity: Option<TestsDiscriminatorDuplicateEnumsGetError> = serde_json::from_str(&content).ok();
+        Err(Error::ResponseError(ResponseContent { status, content, entity }))
+    }
+}
+
 pub async fn tests_file_response_get(configuration: &configuration::Configuration) -> Result<reqwest::Response, Error<TestsFileResponseGetError>> {
 
     let uri_str = format!("{}/tests/fileResponse", configuration.base_path);

samples/client/petstore/rust/reqwest/petstore-async-tokensource/src/models/_tests_discriminator_duplicate_enums_get_200_response.rs

@@ -0,0 +1,57 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ * Generated by: https://openapi-generator.tech
+ */
+
+use crate::models;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
+#[serde(tag = "objectType")]
+pub enum TestsDiscriminatorDuplicateEnumsGet200Response {
+    #[serde(rename="car")]
+    Vehicle {
+        #[serde(rename = "type")]
+        r#type: String,
+        #[serde(rename = "name")]
+        name: String,
+        #[serde(rename = "speed")]
+        speed: f64,
+    },
+    #[serde(rename="student")]
+    PersonStudent {
+        #[serde(rename = "type")]
+        r#type: String,
+        #[serde(rename = "name")]
+        name: String,
+        #[serde(rename = "speed")]
+        speed: f64,
+    },
+    #[serde(rename="teacher")]
+    PersonTeacher {
+        #[serde(rename = "type")]
+        r#type: String,
+        #[serde(rename = "name")]
+        name: String,
+        #[serde(rename = "speed")]
+        speed: f64,
+    },
+}
+
+impl Default for TestsDiscriminatorDuplicateEnumsGet200Response {
+    fn default() -> Self {
+        Self::Vehicle {
+            r#type: Default::default(),
+            name: Default::default(),
+            speed: Default::default(),
+        }
+        
+    }
+}
+
+

samples/client/petstore/rust/reqwest/petstore-async-tokensource/src/models/mod.rs

@@ -20,6 +20,8 @@ pub mod optional_testing;
 pub use self::optional_testing::OptionalTesting;
 pub mod order;
 pub use self::order::Order;
+pub mod person;
+pub use self::person::Person;
 pub mod pet;
 pub use self::pet::Pet;
 pub mod property_test;
@@ -30,9 +32,13 @@ pub mod model_return;
 pub use self::model_return::Return;
 pub mod tag;
 pub use self::tag::Tag;
+pub mod _tests_discriminator_duplicate_enums_get_200_response;
+pub use self::_tests_discriminator_duplicate_enums_get_200_response::TestsDiscriminatorDuplicateEnumsGet200Response;
 pub mod type_testing;
 pub use self::type_testing::TypeTesting;
 pub mod unique_item_array_testing;
 pub use self::unique_item_array_testing::UniqueItemArrayTesting;
 pub mod user;
 pub use self::user::User;
+pub mod vehicle;
+pub use self::vehicle::Vehicle;

samples/client/petstore/rust/reqwest/petstore-async-tokensource/src/models/person.rs

@@ -0,0 +1,30 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ * Generated by: https://openapi-generator.tech
+ */
+
+use crate::models;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Default, Debug, PartialEq, Serialize, Deserialize)]
+pub struct Person {
+    #[serde(rename = "type")]
+    pub r#type: String,
+    #[serde(rename = "name")]
+    pub name: String,
+}
+
+impl Person {
+    pub fn new(r#type: String, name: String) -> Person {
+        Person {
+            r#type,
+            name,
+        }
+    }
+}
+

samples/client/petstore/rust/reqwest/petstore-async-tokensource/src/models/vehicle.rs

@@ -0,0 +1,30 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ * Generated by: https://openapi-generator.tech
+ */
+
+use crate::models;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Default, Debug, PartialEq, Serialize, Deserialize)]
+pub struct Vehicle {
+    #[serde(rename = "type")]
+    pub r#type: String,
+    #[serde(rename = "speed")]
+    pub speed: f64,
+}
+
+impl Vehicle {
+    pub fn new(r#type: String, speed: f64) -> Vehicle {
+        Vehicle {
+            r#type,
+            speed,
+        }
+    }
+}
+

samples/client/petstore/rust/reqwest/petstore-async/.openapi-generator/FILES

@@ -14,6 +14,7 @@ docs/NullableArray.md
 docs/NumericEnumTesting.md
 docs/OptionalTesting.md
 docs/Order.md
+docs/Person.md
 docs/Pet.md
 docs/PetApi.md
 docs/PropertyTest.md
@@ -22,10 +23,12 @@ docs/Return.md
 docs/StoreApi.md
 docs/Tag.md
 docs/TestingApi.md
+docs/TestsDiscriminatorDuplicateEnumsGet200Response.md
 docs/TypeTesting.md
 docs/UniqueItemArrayTesting.md
 docs/User.md
 docs/UserApi.md
+docs/Vehicle.md
 git_push.sh
 src/apis/configuration.rs
 src/apis/fake_api.rs
@@ -35,6 +38,7 @@ src/apis/store_api.rs
 src/apis/testing_api.rs
 src/apis/user_api.rs
 src/lib.rs
+src/models/_tests_discriminator_duplicate_enums_get_200_response.rs
 src/models/action_container.rs
 src/models/any_type_test.rs
 src/models/api_response.rs
@@ -49,9 +53,11 @@ src/models/nullable_array.rs
 src/models/numeric_enum_testing.rs
 src/models/optional_testing.rs
 src/models/order.rs
+src/models/person.rs
 src/models/pet.rs
 src/models/property_test.rs
 src/models/tag.rs
 src/models/type_testing.rs
 src/models/unique_item_array_testing.rs
 src/models/user.rs
+src/models/vehicle.rs

samples/client/petstore/rust/reqwest/petstore-async/README.md

@@ -39,6 +39,7 @@ Class | Method | HTTP request | Description
 *StoreApi* | [**get_inventory**](docs/StoreApi.md#get_inventory) | **GET** /store/inventory | Returns pet inventories by status
 *StoreApi* | [**get_order_by_id**](docs/StoreApi.md#get_order_by_id) | **GET** /store/order/{orderId} | Find purchase order by ID
 *StoreApi* | [**place_order**](docs/StoreApi.md#place_order) | **POST** /store/order | Place an order for a pet
+*TestingApi* | [**tests_discriminator_duplicate_enums_get**](docs/TestingApi.md#tests_discriminator_duplicate_enums_get) | **GET** /tests/discriminatorDuplicateEnums | Test for duplicate enums when using discriminator. (One of the issues in #20500)
 *TestingApi* | [**tests_file_response_get**](docs/TestingApi.md#tests_file_response_get) | **GET** /tests/fileResponse | Returns an image file
 *TestingApi* | [**tests_type_testing_get**](docs/TestingApi.md#tests_type_testing_get) | **GET** /tests/typeTesting | Route to test the TypeTesting schema
 *UserApi* | [**create_user**](docs/UserApi.md#create_user) | **POST** /user | Create user
@@ -64,14 +65,17 @@ Class | Method | HTTP request | Description
  - [NumericEnumTesting](docs/NumericEnumTesting.md)
  - [OptionalTesting](docs/OptionalTesting.md)
  - [Order](docs/Order.md)
+ - [Person](docs/Person.md)
  - [Pet](docs/Pet.md)
  - [PropertyTest](docs/PropertyTest.md)
  - [Ref](docs/Ref.md)
  - [Return](docs/Return.md)
  - [Tag](docs/Tag.md)
+ - [TestsDiscriminatorDuplicateEnumsGet200Response](docs/TestsDiscriminatorDuplicateEnumsGet200Response.md)
  - [TypeTesting](docs/TypeTesting.md)
  - [UniqueItemArrayTesting](docs/UniqueItemArrayTesting.md)
  - [User](docs/User.md)
+ - [Vehicle](docs/Vehicle.md)
 
 
 To get access to the crate's generated documentation, use:

samples/client/petstore/rust/reqwest/petstore-async/docs/Person.md

@@ -0,0 +1,12 @@
+# Person
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**r#type** | **String** |  | 
+**name** | **String** |  | 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

samples/client/petstore/rust/reqwest/petstore-async/docs/TestingApi.md

@@ -4,11 +4,37 @@ All URIs are relative to *http://petstore.swagger.io/v2*
 
 Method | HTTP request | Description
 ------------- | ------------- | -------------
+[**tests_discriminator_duplicate_enums_get**](TestingApi.md#tests_discriminator_duplicate_enums_get) | **GET** /tests/discriminatorDuplicateEnums | Test for duplicate enums when using discriminator. (One of the issues in #20500)
 [**tests_file_response_get**](TestingApi.md#tests_file_response_get) | **GET** /tests/fileResponse | Returns an image file
 [**tests_type_testing_get**](TestingApi.md#tests_type_testing_get) | **GET** /tests/typeTesting | Route to test the TypeTesting schema
 
 
 
+## tests_discriminator_duplicate_enums_get
+
+> models::TestsDiscriminatorDuplicateEnumsGet200Response tests_discriminator_duplicate_enums_get()
+Test for duplicate enums when using discriminator. (One of the issues in #20500)
+
+### Parameters
+
+This endpoint does not need any parameter.
+
+### Return type
+
+[**models::TestsDiscriminatorDuplicateEnumsGet200Response**](_tests_discriminatorDuplicateEnums_get_200_response.md)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: application/json
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+
+
 ## tests_file_response_get
 
 > std::path::PathBuf tests_file_response_get()

samples/client/petstore/rust/reqwest/petstore-async/docs/TestsDiscriminatorDuplicateEnumsGet200Response.md

@@ -0,0 +1,10 @@
+# TestsDiscriminatorDuplicateEnumsGet200Response
+
+## Enum Variants
+
+| Name | Value |
+|---- | -----|
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

samples/client/petstore/rust/reqwest/petstore-async/docs/Vehicle.md

@@ -0,0 +1,12 @@
+# Vehicle
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**r#type** | **String** |  | 
+**speed** | **f64** |  | 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

samples/client/petstore/rust/reqwest/petstore-async/src/apis/testing_api.rs

@@ -15,6 +15,14 @@ use crate::{apis::ResponseContent, models};
 use super::{Error, configuration, ContentType};
 
 
+/// struct for typed successes of method [`tests_discriminator_duplicate_enums_get`]
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(untagged)]
+pub enum TestsDiscriminatorDuplicateEnumsGetSuccess {
+    Status200(models::TestsDiscriminatorDuplicateEnumsGet200Response),
+    UnknownValue(serde_json::Value),
+}
+
 /// struct for typed successes of method [`tests_file_response_get`]
 #[derive(Debug, Clone, Serialize, Deserialize)]
 #[serde(untagged)]
@@ -31,6 +39,13 @@ pub enum TestsTypeTestingGetSuccess {
     UnknownValue(serde_json::Value),
 }
 
+/// struct for typed errors of method [`tests_discriminator_duplicate_enums_get`]
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(untagged)]
+pub enum TestsDiscriminatorDuplicateEnumsGetError {
+    UnknownValue(serde_json::Value),
+}
+
 /// struct for typed errors of method [`tests_file_response_get`]
 #[derive(Debug, Clone, Serialize, Deserialize)]
 #[serde(untagged)]
@@ -46,6 +61,31 @@ pub enum TestsTypeTestingGetError {
 }
 
 
+pub async fn tests_discriminator_duplicate_enums_get(configuration: &configuration::Configuration) -> Result<ResponseContent<TestsDiscriminatorDuplicateEnumsGetSuccess>, Error<TestsDiscriminatorDuplicateEnumsGetError>> {
+
+    let uri_str = format!("{}/tests/discriminatorDuplicateEnums", configuration.base_path);
+    let mut req_builder = configuration.client.request(reqwest::Method::GET, &uri_str);
+
+    if let Some(ref user_agent) = configuration.user_agent {
+        req_builder = req_builder.header(reqwest::header::USER_AGENT, user_agent.clone());
+    }
+
+    let req = req_builder.build()?;
+    let resp = configuration.client.execute(req).await?;
+
+    let status = resp.status();
+
+    if !status.is_client_error() && !status.is_server_error() {
+        let content = resp.text().await?;
+        let entity: Option<TestsDiscriminatorDuplicateEnumsGetSuccess> = serde_json::from_str(&content).ok();
+        Ok(ResponseContent { status, content, entity })
+    } else {
+        let content = resp.text().await?;
+        let entity: Option<TestsDiscriminatorDuplicateEnumsGetError> = serde_json::from_str(&content).ok();
+        Err(Error::ResponseError(ResponseContent { status, content, entity }))
+    }
+}
+
 pub async fn tests_file_response_get(configuration: &configuration::Configuration) -> Result<reqwest::Response, Error<TestsFileResponseGetError>> {
 
     let uri_str = format!("{}/tests/fileResponse", configuration.base_path);

samples/client/petstore/rust/reqwest/petstore-async/src/models/_tests_discriminator_duplicate_enums_get_200_response.rs

@@ -0,0 +1,57 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ * Generated by: https://openapi-generator.tech
+ */
+
+use crate::models;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
+#[serde(tag = "objectType")]
+pub enum TestsDiscriminatorDuplicateEnumsGet200Response {
+    #[serde(rename="car")]
+    Vehicle {
+        #[serde(rename = "type")]
+        r#type: String,
+        #[serde(rename = "name")]
+        name: String,
+        #[serde(rename = "speed")]
+        speed: f64,
+    },
+    #[serde(rename="student")]
+    PersonStudent {
+        #[serde(rename = "type")]
+        r#type: String,
+        #[serde(rename = "name")]
+        name: String,
+        #[serde(rename = "speed")]
+        speed: f64,
+    },
+    #[serde(rename="teacher")]
+    PersonTeacher {
+        #[serde(rename = "type")]
+        r#type: String,
+        #[serde(rename = "name")]
+        name: String,
+        #[serde(rename = "speed")]
+        speed: f64,
+    },
+}
+
+impl Default for TestsDiscriminatorDuplicateEnumsGet200Response {
+    fn default() -> Self {
+        Self::Vehicle {
+            r#type: Default::default(),
+            name: Default::default(),
+            speed: Default::default(),
+        }
+        
+    }
+}
+
+

samples/client/petstore/rust/reqwest/petstore-async/src/models/mod.rs

@@ -20,6 +20,8 @@ pub mod optional_testing;
 pub use self::optional_testing::OptionalTesting;
 pub mod order;
 pub use self::order::Order;
+pub mod person;
+pub use self::person::Person;
 pub mod pet;
 pub use self::pet::Pet;
 pub mod property_test;
@@ -30,9 +32,13 @@ pub mod model_return;
 pub use self::model_return::Return;
 pub mod tag;
 pub use self::tag::Tag;
+pub mod _tests_discriminator_duplicate_enums_get_200_response;
+pub use self::_tests_discriminator_duplicate_enums_get_200_response::TestsDiscriminatorDuplicateEnumsGet200Response;
 pub mod type_testing;
 pub use self::type_testing::TypeTesting;
 pub mod unique_item_array_testing;
 pub use self::unique_item_array_testing::UniqueItemArrayTesting;
 pub mod user;
 pub use self::user::User;
+pub mod vehicle;
+pub use self::vehicle::Vehicle;

samples/client/petstore/rust/reqwest/petstore-async/src/models/person.rs

@@ -0,0 +1,30 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ * Generated by: https://openapi-generator.tech
+ */
+
+use crate::models;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Default, Debug, PartialEq, Serialize, Deserialize)]
+pub struct Person {
+    #[serde(rename = "type")]
+    pub r#type: String,
+    #[serde(rename = "name")]
+    pub name: String,
+}
+
+impl Person {
+    pub fn new(r#type: String, name: String) -> Person {
+        Person {
+            r#type,
+            name,
+        }
+    }
+}
+

samples/client/petstore/rust/reqwest/petstore-async/src/models/vehicle.rs

@@ -0,0 +1,30 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ * Generated by: https://openapi-generator.tech
+ */
+
+use crate::models;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Default, Debug, PartialEq, Serialize, Deserialize)]
+pub struct Vehicle {
+    #[serde(rename = "type")]
+    pub r#type: String,
+    #[serde(rename = "speed")]
+    pub speed: f64,
+}
+
+impl Vehicle {
+    pub fn new(r#type: String, speed: f64) -> Vehicle {
+        Vehicle {
+            r#type,
+            speed,
+        }
+    }
+}
+

samples/client/petstore/rust/reqwest/petstore-avoid-box/.openapi-generator/FILES

@@ -14,6 +14,7 @@ docs/NullableArray.md
 docs/NumericEnumTesting.md
 docs/OptionalTesting.md
 docs/Order.md
+docs/Person.md
 docs/Pet.md
 docs/PetApi.md
 docs/PropertyTest.md
@@ -22,10 +23,12 @@ docs/Return.md
 docs/StoreApi.md
 docs/Tag.md
 docs/TestingApi.md
+docs/TestsDiscriminatorDuplicateEnumsGet200Response.md
 docs/TypeTesting.md
 docs/UniqueItemArrayTesting.md
 docs/User.md
 docs/UserApi.md
+docs/Vehicle.md
 git_push.sh
 src/apis/configuration.rs
 src/apis/fake_api.rs
@@ -35,6 +38,7 @@ src/apis/store_api.rs
 src/apis/testing_api.rs
 src/apis/user_api.rs
 src/lib.rs
+src/models/_tests_discriminator_duplicate_enums_get_200_response.rs
 src/models/action_container.rs
 src/models/any_type_test.rs
 src/models/api_response.rs
@@ -49,9 +53,11 @@ src/models/nullable_array.rs
 src/models/numeric_enum_testing.rs
 src/models/optional_testing.rs
 src/models/order.rs
+src/models/person.rs
 src/models/pet.rs
 src/models/property_test.rs
 src/models/tag.rs
 src/models/type_testing.rs
 src/models/unique_item_array_testing.rs
 src/models/user.rs
+src/models/vehicle.rs

samples/client/petstore/rust/reqwest/petstore-avoid-box/README.md

@@ -39,6 +39,7 @@ Class | Method | HTTP request | Description
 *StoreApi* | [**get_inventory**](docs/StoreApi.md#get_inventory) | **GET** /store/inventory | Returns pet inventories by status
 *StoreApi* | [**get_order_by_id**](docs/StoreApi.md#get_order_by_id) | **GET** /store/order/{orderId} | Find purchase order by ID
 *StoreApi* | [**place_order**](docs/StoreApi.md#place_order) | **POST** /store/order | Place an order for a pet
+*TestingApi* | [**tests_discriminator_duplicate_enums_get**](docs/TestingApi.md#tests_discriminator_duplicate_enums_get) | **GET** /tests/discriminatorDuplicateEnums | Test for duplicate enums when using discriminator. (One of the issues in #20500)
 *TestingApi* | [**tests_file_response_get**](docs/TestingApi.md#tests_file_response_get) | **GET** /tests/fileResponse | Returns an image file
 *TestingApi* | [**tests_type_testing_get**](docs/TestingApi.md#tests_type_testing_get) | **GET** /tests/typeTesting | Route to test the TypeTesting schema
 *UserApi* | [**create_user**](docs/UserApi.md#create_user) | **POST** /user | Create user
@@ -64,14 +65,17 @@ Class | Method | HTTP request | Description
  - [NumericEnumTesting](docs/NumericEnumTesting.md)
  - [OptionalTesting](docs/OptionalTesting.md)
  - [Order](docs/Order.md)
+ - [Person](docs/Person.md)
  - [Pet](docs/Pet.md)
  - [PropertyTest](docs/PropertyTest.md)
  - [Ref](docs/Ref.md)
  - [Return](docs/Return.md)
  - [Tag](docs/Tag.md)
+ - [TestsDiscriminatorDuplicateEnumsGet200Response](docs/TestsDiscriminatorDuplicateEnumsGet200Response.md)
  - [TypeTesting](docs/TypeTesting.md)
  - [UniqueItemArrayTesting](docs/UniqueItemArrayTesting.md)
  - [User](docs/User.md)
+ - [Vehicle](docs/Vehicle.md)
 
 
 To get access to the crate's generated documentation, use:

samples/client/petstore/rust/reqwest/petstore-avoid-box/docs/Person.md

@@ -0,0 +1,12 @@
+# Person
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**r#type** | **String** |  | 
+**name** | **String** |  | 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

samples/client/petstore/rust/reqwest/petstore-avoid-box/docs/TestingApi.md

@@ -4,11 +4,37 @@ All URIs are relative to *http://petstore.swagger.io/v2*
 
 Method | HTTP request | Description
 ------------- | ------------- | -------------
+[**tests_discriminator_duplicate_enums_get**](TestingApi.md#tests_discriminator_duplicate_enums_get) | **GET** /tests/discriminatorDuplicateEnums | Test for duplicate enums when using discriminator. (One of the issues in #20500)
 [**tests_file_response_get**](TestingApi.md#tests_file_response_get) | **GET** /tests/fileResponse | Returns an image file
 [**tests_type_testing_get**](TestingApi.md#tests_type_testing_get) | **GET** /tests/typeTesting | Route to test the TypeTesting schema
 
 
 
+## tests_discriminator_duplicate_enums_get
+
+> models::TestsDiscriminatorDuplicateEnumsGet200Response tests_discriminator_duplicate_enums_get()
+Test for duplicate enums when using discriminator. (One of the issues in #20500)
+
+### Parameters
+
+This endpoint does not need any parameter.
+
+### Return type
+
+[**models::TestsDiscriminatorDuplicateEnumsGet200Response**](_tests_discriminatorDuplicateEnums_get_200_response.md)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: application/json
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+
+
 ## tests_file_response_get
 
 > std::path::PathBuf tests_file_response_get()

samples/client/petstore/rust/reqwest/petstore-avoid-box/docs/TestsDiscriminatorDuplicateEnumsGet200Response.md

@@ -0,0 +1,10 @@
+# TestsDiscriminatorDuplicateEnumsGet200Response
+
+## Enum Variants
+
+| Name | Value |
+|---- | -----|
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

samples/client/petstore/rust/reqwest/petstore-avoid-box/docs/Vehicle.md

@@ -0,0 +1,12 @@
+# Vehicle
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**r#type** | **String** |  | 
+**speed** | **f64** |  | 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

samples/client/petstore/rust/reqwest/petstore-avoid-box/src/apis/testing_api.rs

@@ -15,6 +15,14 @@ use crate::{apis::ResponseContent, models};
 use super::{Error, configuration, ContentType};
 
 
+/// struct for typed successes of method [`tests_discriminator_duplicate_enums_get`]
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(untagged)]
+pub enum TestsDiscriminatorDuplicateEnumsGetSuccess {
+    Status200(models::TestsDiscriminatorDuplicateEnumsGet200Response),
+    UnknownValue(serde_json::Value),
+}
+
 /// struct for typed successes of method [`tests_file_response_get`]
 #[derive(Debug, Clone, Serialize, Deserialize)]
 #[serde(untagged)]
@@ -31,6 +39,13 @@ pub enum TestsTypeTestingGetSuccess {
     UnknownValue(serde_json::Value),
 }
 
+/// struct for typed errors of method [`tests_discriminator_duplicate_enums_get`]
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(untagged)]
+pub enum TestsDiscriminatorDuplicateEnumsGetError {
+    UnknownValue(serde_json::Value),
+}
+
 /// struct for typed errors of method [`tests_file_response_get`]
 #[derive(Debug, Clone, Serialize, Deserialize)]
 #[serde(untagged)]
@@ -46,6 +61,31 @@ pub enum TestsTypeTestingGetError {
 }
 
 
+pub async fn tests_discriminator_duplicate_enums_get(configuration: &configuration::Configuration) -> Result<ResponseContent<TestsDiscriminatorDuplicateEnumsGetSuccess>, Error<TestsDiscriminatorDuplicateEnumsGetError>> {
+
+    let uri_str = format!("{}/tests/discriminatorDuplicateEnums", configuration.base_path);
+    let mut req_builder = configuration.client.request(reqwest::Method::GET, &uri_str);
+
+    if let Some(ref user_agent) = configuration.user_agent {
+        req_builder = req_builder.header(reqwest::header::USER_AGENT, user_agent.clone());
+    }
+
+    let req = req_builder.build()?;
+    let resp = configuration.client.execute(req).await?;
+
+    let status = resp.status();
+
+    if !status.is_client_error() && !status.is_server_error() {
+        let content = resp.text().await?;
+        let entity: Option<TestsDiscriminatorDuplicateEnumsGetSuccess> = serde_json::from_str(&content).ok();
+        Ok(ResponseContent { status, content, entity })
+    } else {
+        let content = resp.text().await?;
+        let entity: Option<TestsDiscriminatorDuplicateEnumsGetError> = serde_json::from_str(&content).ok();
+        Err(Error::ResponseError(ResponseContent { status, content, entity }))
+    }
+}
+
 pub async fn tests_file_response_get(configuration: &configuration::Configuration) -> Result<reqwest::Response, Error<TestsFileResponseGetError>> {
 
     let uri_str = format!("{}/tests/fileResponse", configuration.base_path);

samples/client/petstore/rust/reqwest/petstore-avoid-box/src/models/_tests_discriminator_duplicate_enums_get_200_response.rs

@@ -0,0 +1,57 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ * Generated by: https://openapi-generator.tech
+ */
+
+use crate::models;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
+#[serde(tag = "objectType")]
+pub enum TestsDiscriminatorDuplicateEnumsGet200Response {
+    #[serde(rename="car")]
+    Vehicle {
+        #[serde(rename = "type")]
+        r#type: String,
+        #[serde(rename = "name")]
+        name: String,
+        #[serde(rename = "speed")]
+        speed: f64,
+    },
+    #[serde(rename="student")]
+    PersonStudent {
+        #[serde(rename = "type")]
+        r#type: String,
+        #[serde(rename = "name")]
+        name: String,
+        #[serde(rename = "speed")]
+        speed: f64,
+    },
+    #[serde(rename="teacher")]
+    PersonTeacher {
+        #[serde(rename = "type")]
+        r#type: String,
+        #[serde(rename = "name")]
+        name: String,
+        #[serde(rename = "speed")]
+        speed: f64,
+    },
+}
+
+impl Default for TestsDiscriminatorDuplicateEnumsGet200Response {
+    fn default() -> Self {
+        Self::Vehicle {
+            r#type: Default::default(),
+            name: Default::default(),
+            speed: Default::default(),
+        }
+        
+    }
+}
+
+

samples/client/petstore/rust/reqwest/petstore-avoid-box/src/models/mod.rs

@@ -20,6 +20,8 @@ pub mod optional_testing;
 pub use self::optional_testing::OptionalTesting;
 pub mod order;
 pub use self::order::Order;
+pub mod person;
+pub use self::person::Person;
 pub mod pet;
 pub use self::pet::Pet;
 pub mod property_test;
@@ -30,9 +32,13 @@ pub mod model_return;
 pub use self::model_return::Return;
 pub mod tag;
 pub use self::tag::Tag;
+pub mod _tests_discriminator_duplicate_enums_get_200_response;
+pub use self::_tests_discriminator_duplicate_enums_get_200_response::TestsDiscriminatorDuplicateEnumsGet200Response;
 pub mod type_testing;
 pub use self::type_testing::TypeTesting;
 pub mod unique_item_array_testing;
 pub use self::unique_item_array_testing::UniqueItemArrayTesting;
 pub mod user;
 pub use self::user::User;
+pub mod vehicle;
+pub use self::vehicle::Vehicle;

samples/client/petstore/rust/reqwest/petstore-avoid-box/src/models/person.rs

@@ -0,0 +1,30 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ * Generated by: https://openapi-generator.tech
+ */
+
+use crate::models;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Default, Debug, PartialEq, Serialize, Deserialize)]
+pub struct Person {
+    #[serde(rename = "type")]
+    pub r#type: String,
+    #[serde(rename = "name")]
+    pub name: String,
+}
+
+impl Person {
+    pub fn new(r#type: String, name: String) -> Person {
+        Person {
+            r#type,
+            name,
+        }
+    }
+}
+

samples/client/petstore/rust/reqwest/petstore-avoid-box/src/models/vehicle.rs

@@ -0,0 +1,30 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ * Generated by: https://openapi-generator.tech
+ */
+
+use crate::models;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Default, Debug, PartialEq, Serialize, Deserialize)]
+pub struct Vehicle {
+    #[serde(rename = "type")]
+    pub r#type: String,
+    #[serde(rename = "speed")]
+    pub speed: f64,
+}
+
+impl Vehicle {
+    pub fn new(r#type: String, speed: f64) -> Vehicle {
+        Vehicle {
+            r#type,
+            speed,
+        }
+    }
+}
+

samples/client/petstore/rust/reqwest/petstore-awsv4signature/.openapi-generator/FILES

@@ -14,6 +14,7 @@ docs/NullableArray.md
 docs/NumericEnumTesting.md
 docs/OptionalTesting.md
 docs/Order.md
+docs/Person.md
 docs/Pet.md
 docs/PetApi.md
 docs/PropertyTest.md
@@ -22,10 +23,12 @@ docs/Return.md
 docs/StoreApi.md
 docs/Tag.md
 docs/TestingApi.md
+docs/TestsDiscriminatorDuplicateEnumsGet200Response.md
 docs/TypeTesting.md
 docs/UniqueItemArrayTesting.md
 docs/User.md
 docs/UserApi.md
+docs/Vehicle.md
 git_push.sh
 src/apis/configuration.rs
 src/apis/fake_api.rs
@@ -35,6 +38,7 @@ src/apis/store_api.rs
 src/apis/testing_api.rs
 src/apis/user_api.rs
 src/lib.rs
+src/models/_tests_discriminator_duplicate_enums_get_200_response.rs
 src/models/action_container.rs
 src/models/any_type_test.rs
 src/models/api_response.rs
@@ -49,9 +53,11 @@ src/models/nullable_array.rs
 src/models/numeric_enum_testing.rs
 src/models/optional_testing.rs
 src/models/order.rs
+src/models/person.rs
 src/models/pet.rs
 src/models/property_test.rs
 src/models/tag.rs
 src/models/type_testing.rs
 src/models/unique_item_array_testing.rs
 src/models/user.rs
+src/models/vehicle.rs

samples/client/petstore/rust/reqwest/petstore-awsv4signature/README.md

@@ -39,6 +39,7 @@ Class | Method | HTTP request | Description
 *StoreApi* | [**get_inventory**](docs/StoreApi.md#get_inventory) | **GET** /store/inventory | Returns pet inventories by status
 *StoreApi* | [**get_order_by_id**](docs/StoreApi.md#get_order_by_id) | **GET** /store/order/{orderId} | Find purchase order by ID
 *StoreApi* | [**place_order**](docs/StoreApi.md#place_order) | **POST** /store/order | Place an order for a pet
+*TestingApi* | [**tests_discriminator_duplicate_enums_get**](docs/TestingApi.md#tests_discriminator_duplicate_enums_get) | **GET** /tests/discriminatorDuplicateEnums | Test for duplicate enums when using discriminator. (One of the issues in #20500)
 *TestingApi* | [**tests_file_response_get**](docs/TestingApi.md#tests_file_response_get) | **GET** /tests/fileResponse | Returns an image file
 *TestingApi* | [**tests_type_testing_get**](docs/TestingApi.md#tests_type_testing_get) | **GET** /tests/typeTesting | Route to test the TypeTesting schema
 *UserApi* | [**create_user**](docs/UserApi.md#create_user) | **POST** /user | Create user
@@ -64,14 +65,17 @@ Class | Method | HTTP request | Description
  - [NumericEnumTesting](docs/NumericEnumTesting.md)
  - [OptionalTesting](docs/OptionalTesting.md)
  - [Order](docs/Order.md)
+ - [Person](docs/Person.md)
  - [Pet](docs/Pet.md)
  - [PropertyTest](docs/PropertyTest.md)
  - [Ref](docs/Ref.md)
  - [Return](docs/Return.md)
  - [Tag](docs/Tag.md)
+ - [TestsDiscriminatorDuplicateEnumsGet200Response](docs/TestsDiscriminatorDuplicateEnumsGet200Response.md)
  - [TypeTesting](docs/TypeTesting.md)
  - [UniqueItemArrayTesting](docs/UniqueItemArrayTesting.md)
  - [User](docs/User.md)
+ - [Vehicle](docs/Vehicle.md)
 
 
 To get access to the crate's generated documentation, use:

samples/client/petstore/rust/reqwest/petstore-awsv4signature/docs/Person.md

@@ -0,0 +1,12 @@
+# Person
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**r#type** | **String** |  | 
+**name** | **String** |  | 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

samples/client/petstore/rust/reqwest/petstore-awsv4signature/docs/TestingApi.md

@@ -4,11 +4,37 @@ All URIs are relative to *http://petstore.swagger.io/v2*
 
 Method | HTTP request | Description
 ------------- | ------------- | -------------
+[**tests_discriminator_duplicate_enums_get**](TestingApi.md#tests_discriminator_duplicate_enums_get) | **GET** /tests/discriminatorDuplicateEnums | Test for duplicate enums when using discriminator. (One of the issues in #20500)
 [**tests_file_response_get**](TestingApi.md#tests_file_response_get) | **GET** /tests/fileResponse | Returns an image file
 [**tests_type_testing_get**](TestingApi.md#tests_type_testing_get) | **GET** /tests/typeTesting | Route to test the TypeTesting schema
 
 
 
+## tests_discriminator_duplicate_enums_get
+
+> models::TestsDiscriminatorDuplicateEnumsGet200Response tests_discriminator_duplicate_enums_get()
+Test for duplicate enums when using discriminator. (One of the issues in #20500)
+
+### Parameters
+
+This endpoint does not need any parameter.
+
+### Return type
+
+[**models::TestsDiscriminatorDuplicateEnumsGet200Response**](_tests_discriminatorDuplicateEnums_get_200_response.md)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: application/json
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+
+
 ## tests_file_response_get
 
 > std::path::PathBuf tests_file_response_get()

samples/client/petstore/rust/reqwest/petstore-awsv4signature/docs/TestsDiscriminatorDuplicateEnumsGet200Response.md

@@ -0,0 +1,10 @@
+# TestsDiscriminatorDuplicateEnumsGet200Response
+
+## Enum Variants
+
+| Name | Value |
+|---- | -----|
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

samples/client/petstore/rust/reqwest/petstore-awsv4signature/docs/Vehicle.md

@@ -0,0 +1,12 @@
+# Vehicle
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**r#type** | **String** |  | 
+**speed** | **f64** |  | 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

samples/client/petstore/rust/reqwest/petstore-awsv4signature/src/apis/testing_api.rs

@@ -15,6 +15,13 @@ use crate::{apis::ResponseContent, models};
 use super::{Error, configuration, ContentType};
 
 
+/// struct for typed errors of method [`tests_discriminator_duplicate_enums_get`]
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(untagged)]
+pub enum TestsDiscriminatorDuplicateEnumsGetError {
+    UnknownValue(serde_json::Value),
+}
+
 /// struct for typed errors of method [`tests_file_response_get`]
 #[derive(Debug, Clone, Serialize, Deserialize)]
 #[serde(untagged)]
@@ -30,6 +37,40 @@ pub enum TestsTypeTestingGetError {
 }
 
 
+pub fn tests_discriminator_duplicate_enums_get(configuration: &configuration::Configuration, ) -> Result<models::TestsDiscriminatorDuplicateEnumsGet200Response, Error<TestsDiscriminatorDuplicateEnumsGetError>> {
+
+    let uri_str = format!("{}/tests/discriminatorDuplicateEnums", configuration.base_path);
+    let mut req_builder = configuration.client.request(reqwest::Method::GET, &uri_str);
+
+    if let Some(ref user_agent) = configuration.user_agent {
+        req_builder = req_builder.header(reqwest::header::USER_AGENT, user_agent.clone());
+    }
+
+    let req = req_builder.build()?;
+    let resp = configuration.client.execute(req)?;
+
+    let status = resp.status();
+    let content_type = resp
+        .headers()
+        .get("content-type")
+        .and_then(|v| v.to_str().ok())
+        .unwrap_or("application/octet-stream");
+    let content_type = super::ContentType::from(content_type);
+
+    if !status.is_client_error() && !status.is_server_error() {
+        let content = resp.text()?;
+        match content_type {
+            ContentType::Json => serde_json::from_str(&content).map_err(Error::from),
+            ContentType::Text => return Err(Error::from(serde_json::Error::custom("Received `text/plain` content type response that cannot be converted to `models::TestsDiscriminatorDuplicateEnumsGet200Response`"))),
+            ContentType::Unsupported(unknown_type) => return Err(Error::from(serde_json::Error::custom(format!("Received `{unknown_type}` content type response that cannot be converted to `models::TestsDiscriminatorDuplicateEnumsGet200Response`")))),
+        }
+    } else {
+        let content = resp.text()?;
+        let entity: Option<TestsDiscriminatorDuplicateEnumsGetError> = serde_json::from_str(&content).ok();
+        Err(Error::ResponseError(ResponseContent { status, content, entity }))
+    }
+}
+
 pub fn tests_file_response_get(configuration: &configuration::Configuration, ) -> Result<reqwest::blocking::Response, Error<TestsFileResponseGetError>> {
 
     let uri_str = format!("{}/tests/fileResponse", configuration.base_path);

samples/client/petstore/rust/reqwest/petstore-awsv4signature/src/models/_tests_discriminator_duplicate_enums_get_200_response.rs

@@ -0,0 +1,57 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ * Generated by: https://openapi-generator.tech
+ */
+
+use crate::models;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
+#[serde(tag = "objectType")]
+pub enum TestsDiscriminatorDuplicateEnumsGet200Response {
+    #[serde(rename="car")]
+    Vehicle {
+        #[serde(rename = "type")]
+        r#type: String,
+        #[serde(rename = "name")]
+        name: String,
+        #[serde(rename = "speed")]
+        speed: f64,
+    },
+    #[serde(rename="student")]
+    PersonStudent {
+        #[serde(rename = "type")]
+        r#type: String,
+        #[serde(rename = "name")]
+        name: String,
+        #[serde(rename = "speed")]
+        speed: f64,
+    },
+    #[serde(rename="teacher")]
+    PersonTeacher {
+        #[serde(rename = "type")]
+        r#type: String,
+        #[serde(rename = "name")]
+        name: String,
+        #[serde(rename = "speed")]
+        speed: f64,
+    },
+}
+
+impl Default for TestsDiscriminatorDuplicateEnumsGet200Response {
+    fn default() -> Self {
+        Self::Vehicle {
+            r#type: Default::default(),
+            name: Default::default(),
+            speed: Default::default(),
+        }
+        
+    }
+}
+
+

samples/client/petstore/rust/reqwest/petstore-awsv4signature/src/models/mod.rs

@@ -20,6 +20,8 @@ pub mod optional_testing;
 pub use self::optional_testing::OptionalTesting;
 pub mod order;
 pub use self::order::Order;
+pub mod person;
+pub use self::person::Person;
 pub mod pet;
 pub use self::pet::Pet;
 pub mod property_test;
@@ -30,9 +32,13 @@ pub mod model_return;
 pub use self::model_return::Return;
 pub mod tag;
 pub use self::tag::Tag;
+pub mod _tests_discriminator_duplicate_enums_get_200_response;
+pub use self::_tests_discriminator_duplicate_enums_get_200_response::TestsDiscriminatorDuplicateEnumsGet200Response;
 pub mod type_testing;
 pub use self::type_testing::TypeTesting;
 pub mod unique_item_array_testing;
 pub use self::unique_item_array_testing::UniqueItemArrayTesting;
 pub mod user;
 pub use self::user::User;
+pub mod vehicle;
+pub use self::vehicle::Vehicle;

samples/client/petstore/rust/reqwest/petstore-awsv4signature/src/models/person.rs

@@ -0,0 +1,30 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ * Generated by: https://openapi-generator.tech
+ */
+
+use crate::models;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Default, Debug, PartialEq, Serialize, Deserialize)]
+pub struct Person {
+    #[serde(rename = "type")]
+    pub r#type: String,
+    #[serde(rename = "name")]
+    pub name: String,
+}
+
+impl Person {
+    pub fn new(r#type: String, name: String) -> Person {
+        Person {
+            r#type,
+            name,
+        }
+    }
+}
+

samples/client/petstore/rust/reqwest/petstore-awsv4signature/src/models/vehicle.rs

@@ -0,0 +1,30 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ * Generated by: https://openapi-generator.tech
+ */
+
+use crate::models;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Default, Debug, PartialEq, Serialize, Deserialize)]
+pub struct Vehicle {
+    #[serde(rename = "type")]
+    pub r#type: String,
+    #[serde(rename = "speed")]
+    pub speed: f64,
+}
+
+impl Vehicle {
+    pub fn new(r#type: String, speed: f64) -> Vehicle {
+        Vehicle {
+            r#type,
+            speed,
+        }
+    }
+}
+

samples/client/petstore/rust/reqwest/petstore-model-name-prefix/.openapi-generator/FILES

@@ -14,14 +14,17 @@ docs/FooNullableArray.md
 docs/FooNumericEnumTesting.md
 docs/FooOptionalTesting.md
 docs/FooOrder.md
+docs/FooPerson.md
 docs/FooPet.md
 docs/FooPropertyTest.md
 docs/FooRef.md
 docs/FooReturn.md
 docs/FooTag.md
+docs/FooTestsDiscriminatorDuplicateEnumsGet200Response.md
 docs/FooTypeTesting.md
 docs/FooUniqueItemArrayTesting.md
 docs/FooUser.md
+docs/FooVehicle.md
 docs/PetApi.md
 docs/StoreApi.md
 docs/TestingApi.md
@@ -35,6 +38,7 @@ src/apis/store_api.rs
 src/apis/testing_api.rs
 src/apis/user_api.rs
 src/lib.rs
+src/models/foo__tests_discriminator_duplicate_enums_get_200_response.rs
 src/models/foo_action_container.rs
 src/models/foo_any_type_test.rs
 src/models/foo_api_response.rs
@@ -46,6 +50,7 @@ src/models/foo_nullable_array.rs
 src/models/foo_numeric_enum_testing.rs
 src/models/foo_optional_testing.rs
 src/models/foo_order.rs
+src/models/foo_person.rs
 src/models/foo_pet.rs
 src/models/foo_property_test.rs
 src/models/foo_ref.rs
@@ -54,4 +59,5 @@ src/models/foo_tag.rs
 src/models/foo_type_testing.rs
 src/models/foo_unique_item_array_testing.rs
 src/models/foo_user.rs
+src/models/foo_vehicle.rs
 src/models/mod.rs

samples/client/petstore/rust/reqwest/petstore-model-name-prefix/README.md

@@ -39,6 +39,7 @@ Class | Method | HTTP request | Description
 *StoreApi* | [**get_inventory**](docs/StoreApi.md#get_inventory) | **GET** /store/inventory | Returns pet inventories by status
 *StoreApi* | [**get_order_by_id**](docs/StoreApi.md#get_order_by_id) | **GET** /store/order/{orderId} | Find purchase order by ID
 *StoreApi* | [**place_order**](docs/StoreApi.md#place_order) | **POST** /store/order | Place an order for a pet
+*TestingApi* | [**tests_discriminator_duplicate_enums_get**](docs/TestingApi.md#tests_discriminator_duplicate_enums_get) | **GET** /tests/discriminatorDuplicateEnums | Test for duplicate enums when using discriminator. (One of the issues in #20500)
 *TestingApi* | [**tests_file_response_get**](docs/TestingApi.md#tests_file_response_get) | **GET** /tests/fileResponse | Returns an image file
 *TestingApi* | [**tests_type_testing_get**](docs/TestingApi.md#tests_type_testing_get) | **GET** /tests/typeTesting | Route to test the TypeTesting schema
 *UserApi* | [**create_user**](docs/UserApi.md#create_user) | **POST** /user | Create user
@@ -64,14 +65,17 @@ Class | Method | HTTP request | Description
  - [FooNumericEnumTesting](docs/FooNumericEnumTesting.md)
  - [FooOptionalTesting](docs/FooOptionalTesting.md)
  - [FooOrder](docs/FooOrder.md)
+ - [FooPerson](docs/FooPerson.md)
  - [FooPet](docs/FooPet.md)
  - [FooPropertyTest](docs/FooPropertyTest.md)
  - [FooRef](docs/FooRef.md)
  - [FooReturn](docs/FooReturn.md)
  - [FooTag](docs/FooTag.md)
+ - [FooTestsDiscriminatorDuplicateEnumsGet200Response](docs/FooTestsDiscriminatorDuplicateEnumsGet200Response.md)
  - [FooTypeTesting](docs/FooTypeTesting.md)
  - [FooUniqueItemArrayTesting](docs/FooUniqueItemArrayTesting.md)
  - [FooUser](docs/FooUser.md)
+ - [FooVehicle](docs/FooVehicle.md)
 
 
 To get access to the crate's generated documentation, use:

samples/client/petstore/rust/reqwest/petstore-model-name-prefix/docs/FooPerson.md

@@ -0,0 +1,12 @@
+# FooPerson
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**r#type** | **String** |  | 
+**name** | **String** |  | 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

samples/client/petstore/rust/reqwest/petstore-model-name-prefix/docs/FooTestsDiscriminatorDuplicateEnumsGet200Response.md

@@ -0,0 +1,10 @@
+# FooTestsDiscriminatorDuplicateEnumsGet200Response
+
+## Enum Variants
+
+| Name | Value |
+|---- | -----|
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

samples/client/petstore/rust/reqwest/petstore-model-name-prefix/docs/FooVehicle.md

@@ -0,0 +1,12 @@
+# FooVehicle
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**r#type** | **String** |  | 
+**speed** | **f64** |  | 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

samples/client/petstore/rust/reqwest/petstore-model-name-prefix/docs/TestingApi.md

@@ -4,11 +4,37 @@ All URIs are relative to *http://petstore.swagger.io/v2*
 
 Method | HTTP request | Description
 ------------- | ------------- | -------------
+[**tests_discriminator_duplicate_enums_get**](TestingApi.md#tests_discriminator_duplicate_enums_get) | **GET** /tests/discriminatorDuplicateEnums | Test for duplicate enums when using discriminator. (One of the issues in #20500)
 [**tests_file_response_get**](TestingApi.md#tests_file_response_get) | **GET** /tests/fileResponse | Returns an image file
 [**tests_type_testing_get**](TestingApi.md#tests_type_testing_get) | **GET** /tests/typeTesting | Route to test the TypeTesting schema
 
 
 
+## tests_discriminator_duplicate_enums_get
+
+> models::FooTestsDiscriminatorDuplicateEnumsGet200Response tests_discriminator_duplicate_enums_get()
+Test for duplicate enums when using discriminator. (One of the issues in #20500)
+
+### Parameters
+
+This endpoint does not need any parameter.
+
+### Return type
+
+[**models::FooTestsDiscriminatorDuplicateEnumsGet200Response**](_tests_discriminatorDuplicateEnums_get_200_response.md)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: application/json
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+
+
 ## tests_file_response_get
 
 > std::path::PathBuf tests_file_response_get()

samples/client/petstore/rust/reqwest/petstore-model-name-prefix/src/apis/testing_api.rs

@@ -15,6 +15,13 @@ use crate::{apis::ResponseContent, models};
 use super::{Error, configuration, ContentType};
 
 
+/// struct for typed errors of method [`tests_discriminator_duplicate_enums_get`]
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(untagged)]
+pub enum TestsDiscriminatorDuplicateEnumsGetError {
+    UnknownValue(serde_json::Value),
+}
+
 /// struct for typed errors of method [`tests_file_response_get`]
 #[derive(Debug, Clone, Serialize, Deserialize)]
 #[serde(untagged)]
@@ -30,6 +37,40 @@ pub enum TestsTypeTestingGetError {
 }
 
 
+pub fn tests_discriminator_duplicate_enums_get(configuration: &configuration::Configuration, ) -> Result<models::FooTestsDiscriminatorDuplicateEnumsGet200Response, Error<TestsDiscriminatorDuplicateEnumsGetError>> {
+
+    let uri_str = format!("{}/tests/discriminatorDuplicateEnums", configuration.base_path);
+    let mut req_builder = configuration.client.request(reqwest::Method::GET, &uri_str);
+
+    if let Some(ref user_agent) = configuration.user_agent {
+        req_builder = req_builder.header(reqwest::header::USER_AGENT, user_agent.clone());
+    }
+
+    let req = req_builder.build()?;
+    let resp = configuration.client.execute(req)?;
+
+    let status = resp.status();
+    let content_type = resp
+        .headers()
+        .get("content-type")
+        .and_then(|v| v.to_str().ok())
+        .unwrap_or("application/octet-stream");
+    let content_type = super::ContentType::from(content_type);
+
+    if !status.is_client_error() && !status.is_server_error() {
+        let content = resp.text()?;
+        match content_type {
+            ContentType::Json => serde_json::from_str(&content).map_err(Error::from),
+            ContentType::Text => return Err(Error::from(serde_json::Error::custom("Received `text/plain` content type response that cannot be converted to `models::FooTestsDiscriminatorDuplicateEnumsGet200Response`"))),
+            ContentType::Unsupported(unknown_type) => return Err(Error::from(serde_json::Error::custom(format!("Received `{unknown_type}` content type response that cannot be converted to `models::FooTestsDiscriminatorDuplicateEnumsGet200Response`")))),
+        }
+    } else {
+        let content = resp.text()?;
+        let entity: Option<TestsDiscriminatorDuplicateEnumsGetError> = serde_json::from_str(&content).ok();
+        Err(Error::ResponseError(ResponseContent { status, content, entity }))
+    }
+}
+
 pub fn tests_file_response_get(configuration: &configuration::Configuration, ) -> Result<reqwest::blocking::Response, Error<TestsFileResponseGetError>> {
 
     let uri_str = format!("{}/tests/fileResponse", configuration.base_path);

samples/client/petstore/rust/reqwest/petstore-model-name-prefix/src/models/foo__tests_discriminator_duplicate_enums_get_200_response.rs

@@ -0,0 +1,57 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ * Generated by: https://openapi-generator.tech
+ */
+
+use crate::models;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
+#[serde(tag = "objectType")]
+pub enum FooTestsDiscriminatorDuplicateEnumsGet200Response {
+    #[serde(rename="car")]
+    FooVehicle {
+        #[serde(rename = "type")]
+        r#type: String,
+        #[serde(rename = "name")]
+        name: String,
+        #[serde(rename = "speed")]
+        speed: f64,
+    },
+    #[serde(rename="student")]
+    FooPersonStudent {
+        #[serde(rename = "type")]
+        r#type: String,
+        #[serde(rename = "name")]
+        name: String,
+        #[serde(rename = "speed")]
+        speed: f64,
+    },
+    #[serde(rename="teacher")]
+    FooPersonTeacher {
+        #[serde(rename = "type")]
+        r#type: String,
+        #[serde(rename = "name")]
+        name: String,
+        #[serde(rename = "speed")]
+        speed: f64,
+    },
+}
+
+impl Default for FooTestsDiscriminatorDuplicateEnumsGet200Response {
+    fn default() -> Self {
+        Self::FooVehicle {
+            r#type: Default::default(),
+            name: Default::default(),
+            speed: Default::default(),
+        }
+        
+    }
+}
+
+

samples/client/petstore/rust/reqwest/petstore-model-name-prefix/src/models/foo_person.rs

@@ -0,0 +1,30 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ * Generated by: https://openapi-generator.tech
+ */
+
+use crate::models;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Default, Debug, PartialEq, Serialize, Deserialize)]
+pub struct FooPerson {
+    #[serde(rename = "type")]
+    pub r#type: String,
+    #[serde(rename = "name")]
+    pub name: String,
+}
+
+impl FooPerson {
+    pub fn new(r#type: String, name: String) -> FooPerson {
+        FooPerson {
+            r#type,
+            name,
+        }
+    }
+}
+

samples/client/petstore/rust/reqwest/petstore-model-name-prefix/src/models/foo_vehicle.rs

@@ -0,0 +1,30 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ * Generated by: https://openapi-generator.tech
+ */
+
+use crate::models;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Default, Debug, PartialEq, Serialize, Deserialize)]
+pub struct FooVehicle {
+    #[serde(rename = "type")]
+    pub r#type: String,
+    #[serde(rename = "speed")]
+    pub speed: f64,
+}
+
+impl FooVehicle {
+    pub fn new(r#type: String, speed: f64) -> FooVehicle {
+        FooVehicle {
+            r#type,
+            speed,
+        }
+    }
+}
+