diff options
| -rw-r--r-- | src/pkg/strings/example_test.go | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/pkg/strings/example_test.go b/src/pkg/strings/example_test.go index 7350131b85..62a9af74d0 100644 --- a/src/pkg/strings/example_test.go +++ b/src/pkg/strings/example_test.go @@ -68,6 +68,17 @@ func ExampleIndex() { // -1 } +func ExampleIndexFunc() { + f := func(c rune) bool { + return unicode.Is(unicode.Han, c) + } + fmt.Println(strings.IndexFunc("Hello, 世界", f)) + fmt.Println(strings.IndexFunc("Hello, world", f)) + // Output: + // 7 + // -1 +} + func ExampleIndexRune() { fmt.Println(strings.IndexRune("chicken", 'k')) fmt.Println(strings.IndexRune("chicken", 'd')) |