Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.3.14)
// Compass (v1.0.1)
// ----

/**
 * Check whether `$list` contains `$value`.
 * @param  {List} $list  - List of values.
 * @param  {*}    $value - Value to check in the list.
 * @return {Bool}
 */
@function contains($list, $value) {
  @return not not index($list, $value);
}

/**
 * Check whether `$value` is a valid length.
 * @param {*} $value - Value to validate.
 * @return {Bool}
 */
@function is-length($value) {
  @return contains(0 "auto" "initial" "inherit", $value) 
          or type-of($value) == "number" and not unitless($value) 
          or str-slice($value + "", 1, 4) == "calc";
}

/**
 * Check whether `$value` is a valid size.
 * @param {*} $value - Value to validate.
 * @return {Bool}
 * @requires {function} is-length
 */
@function is-size($value) {
  @return is-length($value) 
          or contains("fill" "fit-content" "min-content" "max-content", $value);
}

SassMeister-output.css

/**
 * Check whether `$list` contains `$value`.
 * @param  {List} $list  - List of values.
 * @param  {*}    $value - Value to check in the list.
 * @return {Bool}
 */
/**
 * Check whether `$value` is a valid length.
 * @param {*} $value - Value to validate.
 * @return {Bool}
 */
/**
 * Check whether `$value` is a valid size.
 * @param {*} $value - Value to validate.
 * @return {Bool}
 * @requires {function} is-length
 */