mirror of
https://github.com/golang/go
synced 2024-11-23 01:50:04 -07:00
30 lines
420 B
Go
30 lines
420 B
Go
// run
|
|
|
|
// Copyright 2013 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.
|
|
|
|
// Bug in method values: escape analysis was off.
|
|
|
|
package main
|
|
|
|
import "sync"
|
|
|
|
var called = false
|
|
|
|
type T struct {
|
|
once sync.Once
|
|
}
|
|
|
|
func (t *T) M() {
|
|
called = true
|
|
}
|
|
|
|
func main() {
|
|
var t T
|
|
t.once.Do(t.M)
|
|
if !called {
|
|
panic("not called")
|
|
}
|
|
}
|