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-rw-r--r--src/encoding/gob/example_test.go60
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+// Copyright 2013 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 gob_test
+
+import (
+ "bytes"
+ "encoding/gob"
+ "fmt"
+ "log"
+)
+
+type P struct {
+ X, Y, Z int
+ Name string
+}
+
+type Q struct {
+ X, Y *int32
+ Name string
+}
+
+// This example shows the basic usage of the package: Create an encoder,
+// transmit some values, receive them with a decoder.
+func Example_basic() {
+ // Initialize the encoder and decoder. Normally enc and dec would be
+ // bound to network connections and the encoder and decoder would
+ // run in different processes.
+ var network bytes.Buffer // Stand-in for a network connection
+ enc := gob.NewEncoder(&network) // Will write to network.
+ dec := gob.NewDecoder(&network) // Will read from network.
+
+ // Encode (send) some values.
+ err := enc.Encode(P{3, 4, 5, "Pythagoras"})
+ if err != nil {
+ log.Fatal("encode error:", err)
+ }
+ err = enc.Encode(P{1782, 1841, 1922, "Treehouse"})
+ if err != nil {
+ log.Fatal("encode error:", err)
+ }
+
+ // Decode (receive) and print the values.
+ var q Q
+ err = dec.Decode(&q)
+ if err != nil {
+ log.Fatal("decode error 1:", err)
+ }
+ fmt.Printf("%q: {%d, %d}\n", q.Name, *q.X, *q.Y)
+ err = dec.Decode(&q)
+ if err != nil {
+ log.Fatal("decode error 2:", err)
+ }
+ fmt.Printf("%q: {%d, %d}\n", q.Name, *q.X, *q.Y)
+
+ // Output:
+ // "Pythagoras": {3, 4}
+ // "Treehouse": {1782, 1841}
+}