14 lines
352 B
Go
14 lines
352 B
Go
|
// 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.
|
||
|
|
|
||
|
|
package unicode
|
||
|
|
|
||
|
|
// IsDigit reports whether the rune is a decimal digit.
|
||
|
|
func IsDigit(r rune) bool {
|
||
|
|
if r <= MaxLatin1 {
|
||
|
|
return '0' <= r && r <= '9'
|
||
|
|
}
|
||
|
|
return isExcludingLatin(Digit, r)
|
||
|
|
}
|