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comment func calcFlagsI

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func25 2024-09-06 16:03:08 +07:00
parent d73ed17748
commit fde024351e
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src/regexp/syntax/regexp.go
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@ -210,6 +210,8 @@ func calcFlags(re *Regexp, flags *map[*Regexp]printFlags) (must, cant printFlags
} }
} }
// calcFlagsI determines if the case-folding flag (?i) is required for character classes.
// It checks whether to look inside or outside character ranges for case folding, depending on which range is smaller, to minimize unnecessary checks.
func calcFlagsI(re *Regexp) (must, cant printFlags) { func calcFlagsI(re *Regexp) (must, cant printFlags) {
if len(re.Rune) < 2 { if len(re.Rune) < 2 {
return 0, 0 return 0, 0