From 8f61fab61862e0c8f8bb8db968d14c262ff54d4c Mon Sep 17 00:00:00 2001 From: cui fliter Date: Sun, 8 Oct 2023 16:42:26 +0800 Subject: [PATCH] bytes,strings: add example for ContainsFunc Change-Id: I340e892aa4ecc780905be984016efc86699a45a2 Reviewed-on: https://go-review.googlesource.com/c/go/+/533556 Run-TryBot: shuang cui Reviewed-by: qiulaidongfeng <2645477756@qq.com> Reviewed-by: Ian Lance Taylor TryBot-Result: Gopher Robot LUCI-TryBot-Result: Go LUCI Reviewed-by: Mauri de Souza Meneguzzo Reviewed-by: Dmitri Shuralyov Auto-Submit: Ian Lance Taylor --- src/bytes/example_test.go | 11 +++++++++++ src/strings/example_test.go | 11 +++++++++++ 2 files changed, 22 insertions(+) diff --git a/src/bytes/example_test.go b/src/bytes/example_test.go index 20faf3e1f5..5a66b1e436 100644 --- a/src/bytes/example_test.go +++ b/src/bytes/example_test.go @@ -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 diff --git a/src/strings/example_test.go b/src/strings/example_test.go index ab83e10de4..bdab7ae8de 100644 --- a/src/strings/example_test.go +++ b/src/strings/example_test.go @@ -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 -- 2.50.0