// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
packageunicode// IsDigit reports whether the rune is a decimal digit.
funcIsDigit(rrune)bool{ifr<=MaxLatin1{return'0'<=r&&r<='9'}returnisExcludingLatin(Digit,r)}