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encoding/binary: add Write and Read examples
R=golang-dev, r, adg CC=golang-dev https://golang.org/cl/5495095
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52
src/pkg/encoding/binary/example_test.go
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52
src/pkg/encoding/binary/example_test.go
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@ -0,0 +1,52 @@
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// Copyright 2011 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 binary_test
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import (
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"bytes"
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"encoding/binary"
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"fmt"
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"math"
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)
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// 18 2d 44 54 fb 21 09 40
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func ExampleWrite() {
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buf := new(bytes.Buffer)
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var pi float64 = math.Pi
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err := binary.Write(buf, binary.LittleEndian, pi)
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if err != nil {
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fmt.Println("binary.Write failed:", err)
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}
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fmt.Printf("% x", buf.Bytes())
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}
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// cafebabe
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func ExampleWrite_multi() {
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buf := new(bytes.Buffer)
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var data = []interface{}{
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int8(-54),
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uint8(254),
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uint16(48826),
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}
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for _, v := range data {
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err := binary.Write(buf, binary.LittleEndian, v)
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if err != nil {
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fmt.Println("binary.Write failed:", err)
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}
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}
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fmt.Printf("%x", buf.Bytes())
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}
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// 3.141592653589793
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func ExampleRead() {
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var pi float64
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b := []byte{0x18, 0x2d, 0x44, 0x54, 0xfb, 0x21, 0x09, 0x40}
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buf := bytes.NewBuffer(b)
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err := binary.Read(buf, binary.LittleEndian, &pi)
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if err != nil {
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fmt.Println("binary.Read failed:", err)
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}
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fmt.Print(pi)
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}
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