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[gostls13.git] / test / unsafe_string_data.go
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
7 package main
8
9 import (
10         "fmt"
11         "reflect"
12         "unsafe"
13 )
14
15 func 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 }