* fix#2159 dataformatter error for iOS Swift
When trying to parse 24-hour time to 12-hour time, date formatter throws fatal error.
It's caused by lack of settings locale for date formatter.
* update sample code
* issue 3914, removed logic that remove header parameters. update template files to handle header parameters in the same manner as other parameters
* update swift and swift3 samples
This is useful when differentiating different error responses. Example:
if let e = error {
switch e {
case ErrorResponse.Error(400, _, _): responseLabel.text = "Unknown error"
case ErrorResponse.Error(403, _, _): responseLabel.text = "Not logged in"
default: responseLabel.text = "\(e)"
}
}
The existing error is straight from Alamofire and only includes the HTTP
status code in the body of the message (not broken out as a separate value).
It also does not include the response body, which may be useful.
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