1 // Copyright 2011 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 main 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 func main() { 25 // Initialize the encoder and decoder. Normally enc and dec would be 26 // bound to network connections and the encoder and decoder would 27 // run in different processes. 28 var network bytes.Buffer // Stand-in for a network connection 29 enc := gob.NewEncoder(&network) // Will write to network. 30 dec := gob.NewDecoder(&network) // Will read from network. 31 // Encode (send) the value. 32 err := enc.Encode(P{3, 4, 5, "Pythagoras"}) 33 if err != nil { 34 log.Fatal("encode error:", err) 35 } 36 // Decode (receive) the value. 37 var q Q 38 err = dec.Decode(&q) 39 if err != nil { 40 log.Fatal("decode error:", err) 41 } 42 fmt.Printf("%q: {%d,%d}\n", q.Name, *q.X, *q.Y) 43 } 44
