Curry & AutoCurry

autoCurry.js

function toArray(arr, start){ return Array.prototype.slice.call(arr, start || 0) }

Function.prototype.curry = function(){
  var __method = this, args = toArray(arguments);
	return function(){
		return __method.apply(this, args.concat(toArray(arguments)));
	}
}

Function.prototype.autoCurry = function(numArgs){
	var __method = this;
	numArgs = numArgs || __method.length;
	return function autoCurried(){
		var args = toArray(arguments)
		  , remaining = numArgs - args.length
		;//var

		return remaining > 0 ?
			__method.curry.apply(__method, args).autoCurry(remaining) :
			__method.apply(__method, args);
	}
}