// run

// Copyright 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package main

import "fmt"

type Value[T any] struct {
	val T
}

func (v *Value[T]) Get() T {
	return v.val
}

func (v *Value[T]) Set(val T) {
	v.val = val
}

func main() {
	var v1 Value[int]
	v1.Set(1)
	if got, want := v1.Get(), 1; got != want {
		panic(fmt.Sprintf("Get() == %d, want %d", got, want))
	}
	v1.Set(2)
	if got, want := v1.Get(), 2; got != want {
		panic(fmt.Sprintf("Get() == %d, want %d", got, want))
	}

	var v2 Value[string]
	v2.Set("a")
	if got, want := v2.Get(), "a"; got != want {
		panic(fmt.Sprintf("Get() == %q, want %q", got, want))
	}
}