/*
  Implement a function that allows for infinite cyrring, and can be used as such:
  `_do(fn)(2)(3)(5)(8)(22)(230)(100)(10)();`
*/

function _do(fn) {

	var args = []
	  , fn;

	function exec() {
		return args.reduce(function(prev, curr) {
			return fn && fn.call(null, prev, curr);
		});
	}

	function addArg(arg) {
		if(arg) {
			args.push(arg);
			console.log('got another arg! all args: ', args);
			return addArg;
		} else {
			console.log('time to exec!');
			return exec();
		}
	}

	if(arguments.length < 1) {
		console.log('returning _do');
		return _do;
	} else {
		console.log('got fn ', fn);
		fn = arguments[0];
		return addArg;
	}

}


//Sample use case:

function add(num1, num2) {
  return num1 + num2;
}
_do(add)(2)(3)(5)(8)(22)(230)(100)(10)();

// or to log: console.log(_do(add)(2)(3)(5)(8)(22)(230)(100)(10)());