go/bytes/example_test.go

18 	var b bytes.Buffer // A Buffer needs no initialization.
27 	buf := bytes.NewBufferString("R29waGVycyBydWxlIQ==")
34 	var b bytes.Buffer
43 	var b bytes.Buffer
53 	if bytes.Compare(a, b) < 0 {
56 	if bytes.Compare(a, b) <= 0 {
59 	if bytes.Compare(a, b) > 0 {
62 	if bytes.Compare(a, b) >= 0 {
67 	if bytes.Equal(a, b) {
70 	if !bytes.Equal(a, b) {
81 		return bytes.Compare(haystack[i], needle) >= 0
83 	if i < len(haystack) && bytes.Equal(haystack[i], needle) {
90 	b = bytes.TrimSuffix(b, []byte("goodbye, etc!"))
91 	b = bytes.TrimSuffix(b, []byte("gopher"))
92 	b = append(b, bytes.TrimSuffix([]byte("world!"), []byte("x!"))...)
99 	b = bytes.TrimPrefix(b, []byte("Goodbye,"))
100 	b = bytes.TrimPrefix(b, []byte("See ya,"))
106 	fmt.Printf("Fields are: %q", bytes.Fields([]byte("  foo bar  baz   ")))
114 	fmt.Printf("Fields are: %q", bytes.FieldsFunc([]byte("  foo1;bar2,baz3..."), f))
119 	fmt.Println(bytes.Contains([]byte("seafood"), []byte("foo")))
120 	fmt.Println(bytes.Contains([]byte("seafood"), []byte("bar")))
121 	fmt.Println(bytes.Contains([]byte("seafood"), []byte("")))
122 	fmt.Println(bytes.Contains([]byte(""), []byte("")))
131 	fmt.Println(bytes.ContainsAny([]byte("I like seafood."), "fÄo!"))
132 	fmt.Println(bytes.ContainsAny([]byte("I like seafood."), "去是伟大的."))
133 	fmt.Println(bytes.ContainsAny([]byte("I like seafood."), ""))
134 	fmt.Println(bytes.ContainsAny([]byte(""), ""))
143 	fmt.Println(bytes.ContainsRune([]byte("I like seafood."), 'f'))
144 	fmt.Println(bytes.ContainsRune([]byte("I like seafood."), 'ö'))
145 	fmt.Println(bytes.ContainsRune([]byte("去是伟大的!"), '大'))
146 	fmt.Println(bytes.ContainsRune([]byte("去是伟大的!"), '!'))
147 	fmt.Println(bytes.ContainsRune([]byte(""), '@'))
157 	fmt.Println(bytes.Count([]byte("cheese"), []byte("e")))
158 	fmt.Println(bytes.Count([]byte("five"), []byte(""))) // before & after each rune
165 	fmt.Println(bytes.Equal([]byte("Go"), []byte("Go")))
166 	fmt.Println(bytes.Equal([]byte("Go"), []byte("C++")))
173 	fmt.Println(bytes.EqualFold([]byte("Go"), []byte("go")))
178 	fmt.Println(bytes.HasPrefix([]byte("Gopher"), []byte("Go")))
179 	fmt.Println(bytes.HasPrefix([]byte("Gopher"), []byte("C")))
180 	fmt.Println(bytes.HasPrefix([]byte("Gopher"), []byte("")))
188 	fmt.Println(bytes.HasSuffix([]byte("Amigo"), []byte("go")))
189 	fmt.Println(bytes.HasSuffix([]byte("Amigo"), []byte("O")))
190 	fmt.Println(bytes.HasSuffix([]byte("Amigo"), []byte("Ami")))
191 	fmt.Println(bytes.HasSuffix([]byte("Amigo"), []byte("")))
200 	fmt.Println(bytes.Index([]byte("chicken"), []byte("ken")))
201 	fmt.Println(bytes.Index([]byte("chicken"), []byte("dmr")))
208 	fmt.Println(bytes.IndexByte([]byte("chicken"), byte('k')))
209 	fmt.Println(bytes.IndexByte([]byte("chicken"), byte('g')))
219 	fmt.Println(bytes.IndexFunc([]byte("Hello, 世界"), f))
220 	fmt.Println(bytes.IndexFunc([]byte("Hello, world"), f))
227 	fmt.Println(bytes.IndexAny([]byte("chicken"), "aeiouy"))
228 	fmt.Println(bytes.IndexAny([]byte("crwth"), "aeiouy"))
235 	fmt.Println(bytes.IndexRune([]byte("chicken"), 'k'))
236 	fmt.Println(bytes.IndexRune([]byte("chicken"), 'd'))
243 	fmt.Println(bytes.Index([]byte("go gopher"), []byte("go")))
244 	fmt.Println(bytes.LastIndex([]byte("go gopher"), []byte("go")))
245 	fmt.Println(bytes.LastIndex([]byte("go gopher"), []byte("rodent")))
253 	fmt.Println(bytes.LastIndexAny([]byte("go gopher"), "MüQp"))
254 	fmt.Println(bytes.LastIndexAny([]byte("go 地鼠"), "地大"))
255 	fmt.Println(bytes.LastIndexAny([]byte("go gopher"), "z,!."))
263 	fmt.Println(bytes.LastIndexByte([]byte("go gopher"), byte('g')))
264 	fmt.Println(bytes.LastIndexByte([]byte("go gopher"), byte('r')))
265 	fmt.Println(bytes.LastIndexByte([]byte("go gopher"), byte('z')))
273 	fmt.Println(bytes.LastIndexFunc([]byte("go gopher!"), unicode.IsLetter))
274 	fmt.Println(bytes.LastIndexFunc([]byte("go gopher!"), unicode.IsPunct))
275 	fmt.Println(bytes.LastIndexFunc([]byte("go gopher!"), unicode.IsNumber))
284 	fmt.Printf("%s", bytes.Join(s, []byte(", ")))
289 	fmt.Printf("ba%s", bytes.Repeat([]byte("na"), 2))
294 	fmt.Printf("%s\n", bytes.Replace([]byte("oink oink oink"), []byte("k"), []byte("ky"), 2))
295 	fmt.Printf("%s\n", bytes.Replace([]byte("oink oink oink"), []byte("oink"), []byte("moo"), -1))
302 	fmt.Printf("%s\n", bytes.ReplaceAll([]byte("oink oink oink"), []byte("oink"), []byte("moo")))
308 	rs := bytes.Runes([]byte("go gopher"))
325 	fmt.Printf("%q\n", bytes.Split([]byte("a,b,c"), []byte(",")))
326 	fmt.Printf("%q\n", bytes.Split([]byte("a man a plan a canal panama"), []byte("a ")))
327 	fmt.Printf("%q\n", bytes.Split([]byte(" xyz "), []byte("")))
328 	fmt.Printf("%q\n", bytes.Split([]byte(""), []byte("Bernardo O'Higgins")))
337 	fmt.Printf("%q\n", bytes.SplitN([]byte("a,b,c"), []byte(","), 2))
338 	z := bytes.SplitN([]byte("a,b,c"), []byte(","), 0)
346 	fmt.Printf("%q\n", bytes.SplitAfter([]byte("a,b,c"), []byte(",")))
351 	fmt.Printf("%q\n", bytes.SplitAfterN([]byte("a,b,c"), []byte(","), 2))
356 	fmt.Printf("%s", bytes.Title([]byte("her royal highness")))
361 	fmt.Printf("%s\n", bytes.ToTitle([]byte("loud noises")))
362 	fmt.Printf("%s\n", bytes.ToTitle([]byte("хлеб")))
369 	fmt.Printf("[%q]", bytes.Trim([]byte(" !!! Achtung! Achtung! !!! "), "! "))
374 	fmt.Println(string(bytes.TrimFunc([]byte("go-gopher!"), unicode.IsLetter)))
375 	fmt.Println(string(bytes.TrimFunc([]byte("\"go-gopher!\""), unicode.IsLetter)))
376 	fmt.Println(string(bytes.TrimFunc([]byte("go-gopher!"), unicode.IsPunct)))
377 	fmt.Println(string(bytes.TrimFunc([]byte("1234go-gopher!567"), unicode.IsNumber)))
395 	fmt.Printf("%s", bytes.Map(rot13, []byte("'Twas brillig and the slithy gopher...")))
400 	fmt.Print(string(bytes.TrimLeft([]byte("453gopher8257"), "0123456789")))
406 	fmt.Println(string(bytes.TrimLeftFunc([]byte("go-gopher"), unicode.IsLetter)))
407 	fmt.Println(string(bytes.TrimLeftFunc([]byte("go-gopher!"), unicode.IsPunct)))
408 	fmt.Println(string(bytes.TrimLeftFunc([]byte("1234go-gopher!567"), unicode.IsNumber)))
416 	fmt.Printf("%s", bytes.TrimSpace([]byte(" \t\n a lone gopher \n\t\r\n")))
421 	fmt.Print(string(bytes.TrimRight([]byte("453gopher8257"), "0123456789")))
427 	fmt.Println(string(bytes.TrimRightFunc([]byte("go-gopher"), unicode.IsLetter)))
428 	fmt.Println(string(bytes.TrimRightFunc([]byte("go-gopher!"), unicode.IsPunct)))
429 	fmt.Println(string(bytes.TrimRightFunc([]byte("1234go-gopher!567"), unicode.IsNumber)))
437 	fmt.Printf("%s", bytes.ToUpper([]byte("Gopher")))
442 	fmt.Printf("%s", bytes.ToLower([]byte("Gopher")))
447 	fmt.Println(bytes.NewReader([]byte("Hi!")).Len())
448 	fmt.Println(bytes.NewReader([]byte("こんにちは!")).Len())