mirror of
https://github.com/golang/go
synced 2024-09-15 22:20:06 +00:00
30 lines
500 B
Go
30 lines
500 B
Go
|
// run
|
||
|
|
|
||
|
|
// Copyright 2021 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 "unsafe"
|
||
|
|
|
||
|
|
var i = 257
|
||
|
|
|
||
|
|
func main() {
|
||
|
|
var buf [10]byte
|
||
|
|
p0 := unsafe.Pointer(&buf[0])
|
||
|
|
p1 := unsafe.Pointer(&buf[1])
|
||
|
|
|
||
|
|
if p := unsafe.Add(p0, uint8(i)); p != p1 {
|
||
|
|
println("FAIL:", p, "!=", p1)
|
||
|
|
}
|
||
|
|
|
||
|
|
var x uint8
|
||
|
|
if i != 0 {
|
||
|
|
x = 1
|
||
|
|
}
|
||
|
|
if p := unsafe.Add(p0, x); p != p1 {
|
||
|
|
println("FAIL:", p, "!=", p1)
|
||
|
|
}
|
||
|
|
}
|