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