@function __reject-iteratee($value, $index, $collection) {
  $predicate: __this("predicate");
  $test: __exec($predicate, $value, $index, $collection);
  $result: __is-falsey(__exec($predicate, $value, $index, $collection));

  @return $result;
}

@function __reject($collection, $predicate: "__identity", $this-arg: null) {
  $function: if(__is-list($collection), "__list-filter", "__base-filter");
  $predicate: __get-callback($predicate, $this-arg, 3);
  $_: __scope(
    (
      "predicate": $predicate
    )
  );
  $reject-iteratee: __bind("__reject-iteratee");
  $result: __exec($function, $collection, $reject-iteratee);
  $_: __scope(false);

  @return $result;
}

///
/// The opposite of `_filter`; this method returns the elements of `$collection`
/// that `$predicate` does **not** return truthy for.
///
/// If a property name is provided for `$predicate` the created `_property`
/// style callback returns the property value of the given element.
///
/// If a value is also provided for `$this-arg` the created `_matches-property`
/// style callback returns `true` for elements that have a matching property
/// value, else `false`.
///
/// If a map is provided for `$predicate` the created `_matches` style
/// callback returns `true` for elements that have the properties of the given
/// object, else `false`.
///
///
/// @access public
/// @group Collection
/// @param {List|Map|string} $collection The collection to iterate over.
/// @param {Function|Map|string} $predicate [_identity] - The function invoked
///  per iteration.
/// @param {*} $this-arg [null] - The `_this` binding of `$predicate`.
/// @returns {List} Returns the new filtered list.
/// @example scss
/// $foo: _reject((1, 2, 3, 4), is-even);
/// // => (1, 3)
///
/// $users: (
///   ( 'user': 'barney', 'age': 36, 'active': false ),
///   ( 'user': 'fred',   'age': 40, 'active': true )
/// );
/// // using the `_matches` callback shorthand
/// $foo: _pluck(_reject($users, ( 'age': 40, 'active': true )), 'user');
/// // => ('barney')
///
/// // using the `_matches-property` callback shorthand
/// $foo: _pluck(_reject($users, 'active', false), 'user');
/// // => ('fred')
///
/// // using the `_property` callback shorthand
/// $foo: _pluck(_reject($users, 'active'), 'user');
/// // => ('barney')

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