@function __get-length($list, $args...) {
  @return length($list);
}

@function __size($collection: null, $args...) {
  @if __is-string($collection) {
    $collection: __to-list($collection);
  }

  $length: if(__is-map-like($collection), length($collection), 0);

  @return if(__is-length($length), $length, length(__keys($collection)));
}

/// Gets the size of `$collection` by returning `length($collection) for
/// lists or maps, or `str-length($collection)` for strings.
///
///
/// @access public
/// @group Collection
/// @param {List|Map|string} $collection The collection to inspect.
/// @returns {number} Returns the size of `$collection`.
/// @example scss
/// $foo: _size((1, 2, 3));
/// // => 3
///
/// $foo: _size(( 'a': 1, 'b': 2 ));
/// // => 2
///
/// $foo: _size('pebbles');
/// // => 7

@function _size($args...) {
  @return call(get-function("__size"), $args...);
}