@function __has($map, $key) {
    $skip-keys: __const('CONSTRUCTOR_KEYS');

    @if __is-map($map) {
        $map: __omit($map, $skip-keys);

        @return if(__is-map($map), map-has-key($map, $key), false);
    }

    @return false;
}


/// Checks if `$key` exists as a direct property of `$map` instead of an
/// inherited property. Similar to Sass `map-has-key` function.
///
///
/// @access public
/// @group Map
/// @param {Map} $map The map to inspect.
/// @param {string} $key The key to check.
/// @returns {boolean} Returns `true` if `$key` is a direct property, else `false`.
/// @example scss
/// $map: ( 'a': 1, 'b': 2, 'c': 3 );
/// $foo: _has($map, 'b');
/// // => true

@function _has($args...) {
    @return call(get-function('__has'), $args...);
}