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|
package httpbinding
import (
"fmt"
"reflect"
)
func reflectCall(funcValue reflect.Value, args []interface{}) error {
argValues := make([]reflect.Value, len(args))
for i, v := range args {
value := reflect.ValueOf(v)
argValues[i] = value
}
retValues := funcValue.Call(argValues)
if len(retValues) > 0 {
errValue := retValues[0]
if typeName := errValue.Type().Name(); typeName != "error" {
panic(fmt.Sprintf("expected first return argument to be error but got %v", typeName))
}
if errValue.IsNil() {
return nil
}
if err, ok := errValue.Interface().(error); ok {
return err
}
panic(fmt.Sprintf("expected %v to return error type, but got %v", funcValue.Type().String(), retValues[0].Type().String()))
}
return nil
}
|
