| // Copyright 2022 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 main | |
| import ( | |
| "fmt" | |
| "unsafe" | |
| ) | |
| var intGlo int | |
| func main() { | |
| r := bar(&intGlo) | |
| fmt.Printf("r value is %d", r) | |
| } | |
| func bar(a *int) int { | |
| p := (*int)(unsafe.Add(unsafe.Pointer(a), 1*unsafe.Sizeof(int(1)))) | |
| if *p == 10 { // BOOM | |
| fmt.Println("its value is 10") | |
| } | |
| return *p | |
| } |