Function trySetCustom

binding/form_mapping.go:191–197

trySetCustom tries to set a custom type value If the value implements the BindUnmarshaler interface, it will be used to set the value, we will return `true` to skip the default value setting.

(val string, value reflect.Value)

// If the value implements the BindUnmarshaler interface, it will be used to set the value, we will return `true`
// to skip the default value setting.
func trySetCustom(val string, value reflect.Value) (isSet bool, err error) {
	switch v := value.Addr().Interface().(type) {
	case BindUnmarshaler:
		return true, v.UnmarshalParam(val)
	}
	return false, nil
}

// trySetUsingParser tries to set a custom type value based on the presence of the "parser" tag on the field.
// If the parser tag does not exist or does not match any of the supported parsers, gin will skip over this.