Update to gobook@c6d7a22edd03e7738c38d5baa2174ff325d8d863

This commit is contained in:
Alan Donovan
2015-10-28 14:20:59 -04:00
parent fce1727c4c
commit 30090035de
150 changed files with 8559 additions and 6 deletions
+32
View File
@@ -0,0 +1,32 @@
// Copyright © 2016 Alan A. A. Donovan & Brian W. Kernighan.
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
// See page 221.
//!+
// Netcat1 is a read-only TCP client.
package main
import (
"io"
"log"
"net"
"os"
)
func main() {
conn, err := net.Dial("tcp", "localhost:8000")
if err != nil {
log.Fatal(err)
}
defer conn.Close()
mustCopy(os.Stdout, conn)
}
func mustCopy(dst io.Writer, src io.Reader) {
if _, err := io.Copy(dst, src); err != nil {
log.Fatal(err)
}
}
//!-