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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}
}