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Diffstat (limited to 'src/encoding/gob/example_test.go')
-rw-r--r-- | src/encoding/gob/example_test.go | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/encoding/gob/example_test.go b/src/encoding/gob/example_test.go new file mode 100644 index 0000000..16b7123 --- /dev/null +++ b/src/encoding/gob/example_test.go @@ -0,0 +1,60 @@ +// 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} +} |