mirror of
https://github.com/golang/go
synced 2024-09-04 23:44:16 +00:00
51 lines
756 B
Go
51 lines
756 B
Go
![]() |
// run -gcflags=-G=3
|
||
|
|
||
|
// Copyright 2022 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 MyStruct struct {
|
||
|
b1, b2 string
|
||
|
E
|
||
|
}
|
||
|
|
||
|
type E struct {
|
||
|
val int
|
||
|
}
|
||
|
|
||
|
type C interface {
|
||
|
~struct {
|
||
|
b1, b2 string
|
||
|
E
|
||
|
}
|
||
|
}
|
||
|
|
||
|
func f[T C]() T {
|
||
|
var x T = T{
|
||
|
b1: "a",
|
||
|
b2: "b",
|
||
|
}
|
||
|
|
||
|
if got, want := x.b2, "b"; got != want {
|
||
|
panic(fmt.Sprintf("got %d, want %d", got, want))
|
||
|
}
|
||
|
x.b1 = "y"
|
||
|
x.val = 5
|
||
|
|
||
|
return x
|
||
|
}
|
||
|
|
||
|
func main() {
|
||
|
x := f[MyStruct]()
|
||
|
if got, want := x.b1, "y"; got != want {
|
||
|
panic(fmt.Sprintf("got %d, want %d", got, want))
|
||
|
}
|
||
|
if got, want := x.val, 5; got != want {
|
||
|
panic(fmt.Sprintf("got %d, want %d", got, want))
|
||
|
}
|
||
|
}
|