@function _sort-list($list) {
  // Insertion sort implementation
  @if length($list) <= 1 { @return $list; }
  $final: ();
  $final: append($final, nth($list, 1));

  @for $i from 2 through length($list) {
    $compare-to-item: nth($list, $i);
    $final-half-one: ();
    $final-half-two: ();

    @each $final-item in $final {
      $in-front: _sort-list-cmp($compare-to-item, $final-item);

      @if $in-front {
        $final-half-one: append($final-half-one, $final-item);
      } @else {
        $final-half-two: append($final-half-two, $final-item);
      }
    }

    $final-half-one: append($final-half-one, $compare-to-item);
    $final: join($final-half-one, $final-half-two);
  }

  @return $final;
}

@function _sort-list-cmp($a, $b) {
  $in-front: false;
  @if type-of($a) == number and type-of($b) == number {
    $in-front: $b < $a;
  } @else if type-of($a) == string and type-of($b) == string {
    $in-front: _compare-strings($b, $a) < 0;
  } @else if type-of($a) == type-of($b) {
    $in-front: _compare-strings(inspect($b), inspect($a)) < 0;
  } @else {
    $in-front: _compare-strings(type-of($b), type-of($a)) < 0;
  }
  @return $in-front;
}