mirror of
https://github.com/golang/go
synced 2024-11-08 19:36:22 -07:00
41 lines
686 B
Go
41 lines
686 B
Go
|
// run
|
||
|
|
|
||
|
|
// Copyright 2016 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.
|
||
|
|
|
||
|
|
// This checks partially initialized structure literals
|
||
|
|
// used to create value.method functions have their
|
||
|
|
// non-initialized fields properly zeroed/nil'd
|
||
|
|
|
||
|
|
package main
|
||
|
|
|
||
|
|
type X struct {
|
||
|
|
A, B, C *int
|
||
|
|
}
|
||
|
|
|
||
|
|
//go:noinline
|
||
|
|
func (t X) Print() {
|
||
|
|
if t.B != nil {
|
||
|
|
panic("t.B must be nil")
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//go:noinline
|
||
|
|
func caller(f func()) {
|
||
|
|
f()
|
||
|
|
}
|
||
|
|
|
||
|
|
//go:noinline
|
||
|
|
func test() {
|
||
|
|
var i, j int
|
||
|
|
x := X{A: &i, C: &j}
|
||
|
|
caller(func() { X{A: &i, C: &j}.Print() })
|
||
|
|
caller(X{A: &i, C: &j}.Print)
|
||
|
|
caller(x.Print)
|
||
|
|
}
|
||
|
|
|
||
|
|
func main() {
|
||
|
|
test()
|
||
|
|
}
|