encoding/binary: add Write and Read examples
R=golang-dev, r, adg
CC=golang-dev
https://golang.org/cl/5495095
diff --git a/src/pkg/encoding/binary/example_test.go b/src/pkg/encoding/binary/example_test.go
new file mode 100644
index 0000000..297d6c1
--- /dev/null
+++ b/src/pkg/encoding/binary/example_test.go
@@ -0,0 +1,52 @@
+// 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"
+)
+
+// 18 2d 44 54 fb 21 09 40
+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())
+}
+
+// cafebabe
+func ExampleWrite_multi() {
+ buf := new(bytes.Buffer)
+ var data = []interface{}{
+ int8(-54),
+ uint8(254),
+ uint16(48826),
+ }
+ 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())
+}
+
+// 3.141592653589793
+func ExampleRead() {
+ var pi float64
+ b := []byte{0x18, 0x2d, 0x44, 0x54, 0xfb, 0x21, 0x09, 0x40}
+ buf := bytes.NewBuffer(b)
+ err := binary.Read(buf, binary.LittleEndian, &pi)
+ if err != nil {
+ fmt.Println("binary.Read failed:", err)
+ }
+ fmt.Print(pi)
+}
