在上述程序中第 8 行,通过String函数,创建了一个字符串标记,名称是fpath,默认值是test.txt,描述为file path to read from。这个函数返回存储 flag 值的字符串变量的地址。 在程序访问 flag 之前,必须先调用flag.Parse()。 在第10 行,程序会打印出 flag 值。 使用下面命令运行程序。 wrkspacepath/bin/fileha...
// 会导致任何阻塞中的ReadFrom或WriteTo方法不再阻塞并返回错误Close()error// 返回本地网络地址LocalAddr()Addr// 设定该连接的读写deadlineSetDeadline(ttime.Time)error// 设定该连接的读操作deadline,参数t为零值表示不设置期限 // 如果时间到达deadline,读操作就会直接因超时失败返回而不会阻塞SetReadDead...
file, err := os.Open("./main.go") if err != nil { fmt.Println("open file failed!, err:", err) return } defer file.Close() // 循环读取文件 var content []byte var tmp = make([]byte, 128) for { n, err := file.Read(tmp) if err == io.EOF { fmt.Println("文件读完了"...
ReadFile(mockFailOutput.Name()) if err != nil { t.Fatal(err) } if !(bytes.Contains(success, []byte("91.216.83.0/2491.216.84.0/23")) && bytes.Contains(success, []byte("91.216.83.0/2491.216.84.0/23"))) { t.Fatal("content output is incorrect") } if !bytes.Contains(fail, []byte...
ctx set the waiting deadline, after which an error will be returned,// but will not force the closing of connections in progress.Shutdown(ctx context.Context)error}// OnRequest defines the function for handling connection. When data is sent from the connection peer,// netpoll actively reads...
Read command-line from files (@<file>). Automatically generate man pages (--man-page). User-visible changes between v1 and v2 Flags can be used at any point after their definition. Flags can be specified at any point after their definition, not justimmediately after their associated command...
Read command-line from files (@<file>). Automatically generate man pages (--help-man). User-visible changes between v1 and v2 Flags can be used at any point after their definition. Flags can be specified at any point after their definition, not just immediately after their associated comman...
("yaml") // because there is no file extension in a stream of bytes, supported extensions are "json", "toml", "yaml", "yml", "properties", "props", "prop", "env", "dotenv"// read from remote config the first time.err := runtime_viper.ReadRemoteConfig()// unmarshal configrun...
waiting for read or nil rt timer // read deadline timer (set if rt.f != nil) rd int64 // read deadline wseq uintptr // protects from stale write timers wg uintptr // pdReady, pdWait, G waiting for write or nil wt timer // write deadline timer wd int64 // write deadline ...
print HTMLincommand-line mode -httpstringHTTP serviceaddress(e.g.,':6060')-httptest.servestringifnon-empty, httptest.NewServer serves onthisaddress and blocks -index enable search index -index_filesstringglob pattern specifying index files;ifnot empty, the indexisreadfromthese filesinsorted order...