// Sass.@use'sass:math';// Status: DONE// The `math.strip-unit()` function strips the unit from a given `$number`.// @param `$number` A `number` to strip the unit from.// @return The return value is number without unit.@functionstrip-unit($number) {@returnif(type-of($number) == number, math.div($number, ($number *0+1)), $number);}// Examples.// @debug strip-unit(10px); // 10// @debug strip-unit(null); // null// @debug strip-unit(false); // false