文件操作 - typeswitch2.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/typeswitch2.go
编辑文件内容
// errorcheck // Copyright 2009 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. // Verify that various erroneous type switches are caught by the compiler. // Does not compile. package main import "io" func whatis(x interface{}) string { switch x.(type) { case int: return "int" case int: // ERROR "duplicate" return "int8" case io.Reader: return "Reader1" case io.Reader: // ERROR "duplicate" return "Reader2" case interface { r() w() }: return "rw" case interface { // ERROR "duplicate" w() r() }: return "wr" } return "" }
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