variadic currying

function mkSum(n){
    return function(/**/){
        var s = n;
        for(var i=0; i < arguments.length; i++){
            if(arguments[i] == 0){
                return s;
            }else{
                s += arguments[i];
            }
        }
        return mkSum(s);
    };
}

var sum = mkSum(0);

console.log( sum(1,2,3,4,5,0) );
console.log( sum(1,2,3)(4,5,0) );
console.log( sum(1)(2)(3)(4)(5)(0) );