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author | Tianon Gravi <admwiggin@gmail.com> | 2015-01-15 11:54:00 -0700 |
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committer | Tianon Gravi <admwiggin@gmail.com> | 2015-01-15 11:54:00 -0700 |
commit | f154da9e12608589e8d5f0508f908a0c3e88a1bb (patch) | |
tree | f8255d51e10c6f1e0ed69702200b966c9556a431 /src/encoding/binary/example_test.go | |
parent | 8d8329ed5dfb9622c82a9fbec6fd99a580f9c9f6 (diff) | |
download | golang-upstream/1.4.tar.gz |
Imported Upstream version 1.4upstream/1.4
Diffstat (limited to 'src/encoding/binary/example_test.go')
-rw-r--r-- | src/encoding/binary/example_test.go | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/encoding/binary/example_test.go b/src/encoding/binary/example_test.go new file mode 100644 index 000000000..067cf553b --- /dev/null +++ b/src/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" +) + +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 +} |