good good study, day day up!

vendor/gopl.io/ch8/netcat1/netcat.go

@@ -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)
+	}
+}
+
+//!-