1 // Copyright 2013 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package gob_test 6 7 import ( 8 "bytes" 9 "encoding/gob" 10 "fmt" 11 "log" 12 ) 13 14 type P struct { 15 X, Y, Z int 16 Name string 17 } 18 19 type Q struct { 20 X, Y *int32 21 Name string 22 } 23 24 // This example shows the basic usage of the package: Create an encoder, 25 // transmit some values, receive them with a decoder. 26 func Example_basic() { 27 // Initialize the encoder and decoder. Normally enc and dec would be 28 // bound to network connections and the encoder and decoder would 29 // run in different processes. 30 var network bytes.Buffer // Stand-in for a network connection 31 enc := gob.NewEncoder(&network) // Will write to network. 32 dec := gob.NewDecoder(&network) // Will read from network. 33 34 // Encode (send) some values. 35 err := enc.Encode(P{3, 4, 5, "Pythagoras"}) 36 if err != nil { 37 log.Fatal("encode error:", err) 38 } 39 err = enc.Encode(P{1782, 1841, 1922, "Treehouse"}) 40 if err != nil { 41 log.Fatal("encode error:", err) 42 } 43 44 // Decode (receive) and print the values. 45 var q Q 46 err = dec.Decode(&q) 47 if err != nil { 48 log.Fatal("decode error 1:", err) 49 } 50 fmt.Printf("%q: {%d, %d}\n", q.Name, *q.X, *q.Y) 51 err = dec.Decode(&q) 52 if err != nil { 53 log.Fatal("decode error 2:", err) 54 } 55 fmt.Printf("%q: {%d, %d}\n", q.Name, *q.X, *q.Y) 56 57 // Output: 58 // "Pythagoras": {3, 4} 59 // "Treehouse": {1782, 1841} 60 } 61
