list.foldl(
    function(a,b){return a + b;},
    0,
    list.map(
        function(curr){return curr * 2;},
        list.filter(
            function(curr){return curr % 2 === 0;},
            list.range(10)
        )
    )
);
//=>
cons.print(
    list.reverse(
        list.sort(
            function (a, b){return a < b},
            list.list(7,89,5,8,43,2,6,1)
        )
    ),
    {prefix: '', suffix: '', separator: ','}
);
//=>
function add(){
    return list.foldl(
        function(prev, curr){return curr + prev;},
        0,
        list.list(helpers.args(arguments))
    );
}
fun.curry(add, 5)(1)(2)(3)(4)(5);
//=>