-@charset "UTF-8";
-
-/// Checks for a valid number.
-///
-/// @argument {number} $value
-///
-/// @require {function} _contains
-///
-/// @return {boolean}
-///
-/// @access private
-
-@function _is-number($value) {
- @return _contains("0" "1" "2" "3" "4" "5" "6" "7" "8" "9" 0 1 2 3 4 5 6 7 8 9, $value);
-}