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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
commit | 43a123c1ae6613b3efeed291fa552ecd909d3acf (patch) | |
tree | fd92518b7024bc74031f78a1cf9e454b65e73665 /src/encoding/hex/example_test.go | |
parent | Initial commit. (diff) | |
download | golang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.tar.xz golang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.zip |
Adding upstream version 1.20.14.upstream/1.20.14upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/encoding/hex/example_test.go')
-rw-r--r-- | src/encoding/hex/example_test.go | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/encoding/hex/example_test.go b/src/encoding/hex/example_test.go new file mode 100644 index 0000000..3580757 --- /dev/null +++ b/src/encoding/hex/example_test.go @@ -0,0 +1,98 @@ +// Copyright 2016 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 hex_test + +import ( + "encoding/hex" + "fmt" + "log" + "os" +) + +func ExampleEncode() { + src := []byte("Hello Gopher!") + + dst := make([]byte, hex.EncodedLen(len(src))) + hex.Encode(dst, src) + + fmt.Printf("%s\n", dst) + + // Output: + // 48656c6c6f20476f7068657221 +} + +func ExampleDecode() { + src := []byte("48656c6c6f20476f7068657221") + + dst := make([]byte, hex.DecodedLen(len(src))) + n, err := hex.Decode(dst, src) + if err != nil { + log.Fatal(err) + } + + fmt.Printf("%s\n", dst[:n]) + + // Output: + // Hello Gopher! +} + +func ExampleDecodeString() { + const s = "48656c6c6f20476f7068657221" + decoded, err := hex.DecodeString(s) + if err != nil { + log.Fatal(err) + } + + fmt.Printf("%s\n", decoded) + + // Output: + // Hello Gopher! +} + +func ExampleDump() { + content := []byte("Go is an open source programming language.") + + fmt.Printf("%s", hex.Dump(content)) + + // Output: + // 00000000 47 6f 20 69 73 20 61 6e 20 6f 70 65 6e 20 73 6f |Go is an open so| + // 00000010 75 72 63 65 20 70 72 6f 67 72 61 6d 6d 69 6e 67 |urce programming| + // 00000020 20 6c 61 6e 67 75 61 67 65 2e | language.| +} + +func ExampleDumper() { + lines := []string{ + "Go is an open source programming language.", + "\n", + "We encourage all Go users to subscribe to golang-announce.", + } + + stdoutDumper := hex.Dumper(os.Stdout) + + defer stdoutDumper.Close() + + for _, line := range lines { + stdoutDumper.Write([]byte(line)) + } + + // Output: + // 00000000 47 6f 20 69 73 20 61 6e 20 6f 70 65 6e 20 73 6f |Go is an open so| + // 00000010 75 72 63 65 20 70 72 6f 67 72 61 6d 6d 69 6e 67 |urce programming| + // 00000020 20 6c 61 6e 67 75 61 67 65 2e 0a 57 65 20 65 6e | language..We en| + // 00000030 63 6f 75 72 61 67 65 20 61 6c 6c 20 47 6f 20 75 |courage all Go u| + // 00000040 73 65 72 73 20 74 6f 20 73 75 62 73 63 72 69 62 |sers to subscrib| + // 00000050 65 20 74 6f 20 67 6f 6c 61 6e 67 2d 61 6e 6e 6f |e to golang-anno| + // 00000060 75 6e 63 65 2e |unce.| +} + +func ExampleEncodeToString() { + src := []byte("Hello") + encodedStr := hex.EncodeToString(src) + + fmt.Printf("%s\n", encodedStr) + + // Output: + // 48656c6c6f +} |