Lines Matching defs:isLetter
2352 // isLetter returns true if a given 'rune' is classified as a Letter.
2353 func isLetter(ch rune) bool {
2354 return 'a' <= ch && ch <= 'z' || 'A' <= ch && ch <= 'Z' || ch == '_' || ch >= utf8.RuneSelf && unicode.IsLetter(ch)
2365 if i == 0 && !isLetter(c) {
2369 if !(isLetter(c) || unicode.IsDigit(c)) {
