Backport #23885 by @wxiaoguang Regression of #19676 and #21814 Fix #23872 `cases.Title` is not thread-safe, it has internal state, so it can't be used as a global shared variable. Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
@ -185,19 +185,16 @@ func ToUpperASCII(s string) string {
return string(b)
}
var (
titleCaser = cases.Title(language.English)
titleCaserNoLower = cases.Title(language.English, cases.NoLower)
)
// ToTitleCase returns s with all english words capitalized
func ToTitleCase(s string) string {
return titleCaser.String(s)
// `cases.Title` is not thread-safe, do not use global shared variable for it
return cases.Title(language.English).String(s)
// ToTitleCaseNoLower returns s with all english words capitalized without lowercasing
// ToTitleCaseNoLower returns s with all english words capitalized without lower-casing
func ToTitleCaseNoLower(s string) string {
return titleCaserNoLower.String(s)
return cases.Title(language.English, cases.NoLower).String(s)