// ------------------------------------------------------------------------
//   Project atila
//   Active Thing (activething.com) git.activething.com/go
//
//   File name  gresult.go
//   Created by DEV
//   Modified   15/02/2024
//
//   Copyright 2024 activething.com 
// ------------------------------------------------------------------------
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ------------------------------------------------------------------------

package results




type (

	Result[T any] interface {
		IsError () bool
		Success () T
		Error   () error
	}


	ResultSuccess[T any] struct {
		data T
	}

	ResultError[T any] struct { error }
)



func (_ ResultSuccess[T]) IsError () bool {
	return false  }

func (r ResultSuccess[T]) Success() T {
	return r.data   }

func (_ ResultSuccess[T]) Error() error {
	return nil }






func (r ResultError[T]) Success() T {
	var zero T
	return zero
}


func (r ResultError[T]) IsError () bool {
	return true }


func (r ResultError[T]) Error () error {
	return r.error }