util/reflect/error.go
crusader 90166e94c5 ing
2018-03-20 14:12:31 +09:00

42 lines
670 B
Go

package reflect
import (
"fmt"
"reflect"
"strings"
)
type ErrCanNotConvertType struct {
value interface{}
from reflect.Type
to reflect.Type
reason []string
}
func (e ErrCanNotConvertType) Error() string {
var (
reason = strings.Join(e.reason, ", ")
)
if reason != "" {
reason = ", reason: " + reason
}
return fmt.Sprintf(
"Can not convert '%#v' of type '%s' to '%s'%s",
e.value,
e.from,
e.to,
reason,
)
}
func NewErrCanNotConvertType(value interface{}, from reflect.Type, to reflect.Type, reason ...string) ErrCanNotConvertType {
return ErrCanNotConvertType{
value: value,
from: from,
to: to,
reason: reason,
}
}