golang a 代码
文件路径：/test/fixedbugs/issue34503.dir/a.go
// Copyright 2019 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 a
import "unsafe"
type HookFunc func(x uint64)
var HookV unsafe.Pointer
func Hook(x uint64) {
(*(*HookFunc)(HookV))(x)
}