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bytes,strings: add example for ContainsFunc

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Change-Id: I340e892aa4ecc780905be984016efc86699a45a2
Reviewed-on: https://go-review.googlesource.com/c/go/+/533556
Run-TryBot: shuang cui <imcusg@gmail.com>
Reviewed-by: qiulaidongfeng <2645477756@qq.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Mauri de Souza Meneguzzo <mauri870@gmail.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
This commit is contained in:
cui fliter 2023-10-08 16:42:26 +08:00 committed by Gopher Robot
parent 1ce8a3f081
commit 8f61fab618
2 changed files with 22 additions and 0 deletions
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11
src/bytes/example_test.go
View File

@ -212,6 +212,17 @@ func ExampleContainsRune() {
// false
}
func ExampleContainsFunc() {
f := func(r rune) bool {
return r >= 'a' && r <= 'z'
}
fmt.Println(bytes.ContainsFunc([]byte("HELLO"), f))
fmt.Println(bytes.ContainsFunc([]byte("World"), f))
// Output:
// false
// true
}
func ExampleCount() {
fmt.Println(bytes.Count([]byte("cheese"), []byte("e")))
fmt.Println(bytes.Count([]byte("five"), []byte(""))) // before & after each rune

11
src/strings/example_test.go
View File

@ -80,6 +80,17 @@ func ExampleContainsRune() {
// false
}
func ExampleContainsFunc() {
f := func(r rune) bool {
return r == 'a' || r == 'e' || r == 'i' || r == 'o' || r == 'u'
}
fmt.Println(strings.ContainsFunc("hello", f))
fmt.Println(strings.ContainsFunc("rhythms", f))
// Output:
// true
// false
}
func ExampleCount() {
fmt.Println(strings.Count("cheese", "e"))
fmt.Println(strings.Count("five", "")) // before & after each rune