var unicode.asciiFold
3 uses
unicode (current package)
letter.go#L343: if int(r) < len(asciiFold) {
letter.go#L344: return rune(asciiFold[r])
tables.go#L7510: var asciiFold = [MaxASCII + 1]uint16{
The pages are generated with Golds v0.4.9. (GOOS=linux GOARCH=amd64)