mirror of
https://github.com/golang/go
synced 2024-11-14 22:50:27 -07:00
23 lines
481 B
Go
23 lines
481 B
Go
|
// run
|
||
|
|
|
||
|
|
// 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"
|
||
|
|
"reflect"
|
||
|
|
"unsafe"
|
||
|
|
)
|
||
|
|
|
||
|
|
func main() {
|
||
|
|
var s = []byte("abc")
|
||
|
|
sh1 := *(*reflect.SliceHeader)(unsafe.Pointer(&s))
|
||
|
|
ptr2 := unsafe.Pointer(unsafe.SliceData(s))
|
||
|
|
if ptr2 != unsafe.Pointer(sh1.Data) {
|
||
|
|
panic(fmt.Errorf("unsafe.SliceData %p != %p", ptr2, unsafe.Pointer(sh1.Data)))
|
||
|
|
}
|
||
|
|
}
|