// Copyright 2011 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 binary_test import (	"bytes"	"encoding/binary"	"fmt"	"math") func ExampleWrite() {	buf := new(bytes.Buffer)	var pi float64 = math.Pi	err := binary.Write(buf, binary.LittleEndian, pi)	if err != nil {		fmt.Println("binary.Write failed:", err)	}	fmt.Printf("% x", buf.Bytes())	// Output: 18 2d 44 54 fb 21 09 40} func ExampleWrite_multi() {	buf := new(bytes.Buffer)	var data = []interface{}{		uint16(61374),		int8(-54),		uint8(254),	}	for _, v := range data {		err := binary.Write(buf, binary.LittleEndian, v)		if err != nil {			fmt.Println("binary.Write failed:", err)		}	}	fmt.Printf("%x", buf.Bytes())	// Output: beefcafe} func ExampleRead() {	var pi float64	b := []byte{0x18, 0x2d, 0x44, 0x54, 0xfb, 0x21, 0x09, 0x40}	buf := bytes.NewReader(b)	err := binary.Read(buf, binary.LittleEndian, &pi)	if err != nil {		fmt.Println("binary.Read failed:", err)	}	fmt.Print(pi)	// Output: 3.141592653589793}