Added popup ebook and audiobook download
[wolnelektury.git] / src / wolnelektury / static / 2021 / css / utils / bourbon / validators / _is-number.scss
1 @charset "UTF-8";
2
3 /// Checks for a valid number.
4 ///
5 /// @argument {number} $value
6 ///
7 /// @require {function} _contains
8 ///
9 /// @return {boolean}
10 ///
11 /// @access private
12
13 @function _is-number($value) {
14   @return _contains("0" "1" "2" "3" "4" "5" "6" "7" "8" "9" 0 1 2 3 4 5 6 7 8 9, $value);
15 }