| // run | |
| // Copyright 2021 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 "reflect" | |
| type Foo[T any] struct { | |
| val int | |
| } | |
| func (foo Foo[T]) Get() *T { | |
| if foo.val != 1 { | |
| panic("bad val field in Foo receiver") | |
| } | |
| return new(T) | |
| } | |
| var ( | |
| newInt = Foo[int]{val: 1}.Get | |
| newString = Foo[string]{val: 1}.Get | |
| ) | |
| func main() { | |
| i := newInt() | |
| s := newString() | |
| if t := reflect.TypeOf(i).String(); t != "*int" { | |
| panic(t) | |
| } | |
| if t := reflect.TypeOf(s).String(); t != "*string" { | |
| panic(t) | |
| } | |
| } |