blob: 940d6e34123309a7b237b71b36e42db2fea266c7 [file] [log] [blame]
// 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))
}
}