@include test-module('_last') {
    $list: 1 2 3;

    @include test('should return the last element') {
        @include assert-equal(_last($list), 3);
    }

    @include test('should return null when querying empty lists') {
        $list: ();

        @include assert-equal(_last($list), null);
    }

    @include test('should work as an iteratee for _map') {
        $list: (1 2 3, 4 5 6, 7 8 9);
        $actual: _map($list, _last);

        @include assert-equal($actual, 3 6 9);
    }

    @include test('should work in a lazy chain sequence') {
        $list: 1 2 3 4;

        $actual: _($list, _filter test-is-even, _last);

        @include assert-equal($actual, 4);
    }
}