文件操作 - unsafe_slice_data.go
返回文件管理
返回主菜单
删除本文件
文件: /usr/share/go-1.23/test/unsafe_slice_data.go
编辑文件内容
// 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))) } }
修改文件时间
将文件时间修改为当前时间的前一年
删除文件