golang bug 代码
文件路径：/test/fixedbugs/issue5259.dir/bug.go
// 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.
package bug
type S struct {
F func()
}
type X interface {
Bar()
}
func Foo(x X) *S {
return &S{F: x.Bar}
}