mirror of
https://github.com/golang/go
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39 lines
563 B
Go
39 lines
563 B
Go
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// run
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// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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import (
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"runtime"
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"strings"
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)
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type Func func()
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func (f Func) Foo() {
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if f != nil {
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f()
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}
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}
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func (f Func) Bar() {
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if f != nil {
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f()
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}
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buf := make([]byte, 4000)
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n := runtime.Stack(buf, true)
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s := string(buf[:n])
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if strings.Contains(s, "-fm") {
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panic("wrapper present in stack trace:\n" + s)
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}
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}
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func main() {
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foo := Func(func() {})
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foo = foo.Bar
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foo.Foo()
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}
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