codekingpro/portable-devtools

1// Copyright 2009 The Go Authors. All rights reserved.2// Use of this source code is governed by a BSD-style3// license that can be found in the LICENSE file.4 5package unicode6 7// IsDigit reports whether the rune is a decimal digit.8func IsDigit(r rune) bool {9	if r <= MaxLatin1 {10		return '0' <= r && r <= '9'11	}12	return isExcludingLatin(Digit, r)13}14