1// run 2 3// Copyright 2022 The Go Authors. All rights reserved. 4// Use of this source code is governed by a BSD-style 5// license that can be found in the LICENSE file. 6 7package main 8 9import ( 10 "fmt" 11 "reflect" 12 "unsafe" 13) 14 15func main() { 16 var s = "abc" 17 sh1 := (*reflect.StringHeader)(unsafe.Pointer(&s)) 18 ptr2 := unsafe.Pointer(unsafe.StringData(s)) 19 if ptr2 != unsafe.Pointer(sh1.Data) { 20 panic(fmt.Errorf("unsafe.StringData ret %p != %p", ptr2, unsafe.Pointer(sh1.Data))) 21 } 22} 23