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| author | hopehook <hopehook.com@gmail.com> | 2022-03-30 15:47:57 +0800 |
|---|---|---|
| committer | Emmanuel Odeke <emmanuel@orijtech.com> | 2022-04-02 06:48:45 +0000 |
| commit | f8e70fc9a6d2a88d51d36208e64b12a236fce1b1 (patch) | |
| tree | 68f2a999787ff3c92a76410c07b852d7bcf7ca49 /src/strings | |
| parent | 153c18a515c90a78bf4c90a56e4ba5b700f407b1 (diff) | |
| download | go-f8e70fc9a6d2a88d51d36208e64b12a236fce1b1.tar.gz go-f8e70fc9a6d2a88d51d36208e64b12a236fce1b1.zip | |
strings: document the use of simple case-folding in EqualFold
Fixes #52022
Change-Id: I077fc062dfd02f79eb83713490efbe0bdc783d8b
Reviewed-on: https://go-review.googlesource.com/c/go/+/396616
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
Diffstat (limited to 'src/strings')
| -rw-r--r-- | src/strings/example_test.go | 7 | ||||
| -rw-r--r-- | src/strings/strings.go | 4 |
2 files changed, 9 insertions, 2 deletions
diff --git a/src/strings/example_test.go b/src/strings/example_test.go index 94aa167f90..2a59512ceb 100644 --- a/src/strings/example_test.go +++ b/src/strings/example_test.go @@ -95,7 +95,12 @@ func ExampleCut() { func ExampleEqualFold() { fmt.Println(strings.EqualFold("Go", "go")) - // Output: true + fmt.Println(strings.EqualFold("AB", "ab")) // true because comparison uses simple case-folding + fmt.Println(strings.EqualFold("ß", "ss")) // false because comparison does not use full case-folding + // Output: + // true + // true + // false } func ExampleFields() { diff --git a/src/strings/strings.go b/src/strings/strings.go index ed3184b59c..74e505338e 100644 --- a/src/strings/strings.go +++ b/src/strings/strings.go @@ -1041,8 +1041,10 @@ func ReplaceAll(s, old, new string) string { } // EqualFold reports whether s and t, interpreted as UTF-8 strings, -// are equal under Unicode case-folding, which is a more general +// are equal under simple Unicode case-folding, which is a more general // form of case-insensitivity. +// +// EqualFold(s, t) is equivalent to Tolower(s) == Tolower(t). func EqualFold(s, t string) bool { for s != "" && t != "" { // Extract first rune from each string. |