(function(extensions){
	for(var p in extensions) Function.prototype[p] = extensions[p];
}({
	a : function(){
		var args = Array.from(arguments);
		var obj = args.shift();
		var self = this;
		return function(){
			return self.apply(obj, args);
		}
	},
	c : function(){
		return this.a.apply(this, arguments); //might need to pass Array.from(arguments)
	},
	later: function(ms){
		var self = this;
		var f = function(){ 
			clearInterval(f.intervalID);
			return self();
		}
		f.intervalID = setInterval(f, ms || setInterval.defaultInterval);
		return f;
	},
	until: function(condition, ms){
		var self = this;
		var f = function(){
			var r = self();
			r = isFunction(condition) ? condition(r) : r == condition;
			if (r == true) clearInterval(f.intervalID);
		}
		f.intervalID = setInterval(f, ms || setInterval.defaultInterval);
		return f;
	},
	when: function(condition, ms){
		var self = this;
		var f = function(){
			if(condition() != true) return;
			clearInterval(f.intervalID);
			return self();
		}
		f.intervalID = setInterval(f, ms || setInterval.defaultInterval);
	}
}));

Array.from = function(iterable) {
	if (!iterable) return [];
	if (iterable.toArray) {
		return iterable.toArray();
	} else {
		var results = [];
		for (var i = 0; i < iterable.length; i++)
			results.push(iterable[i]);
		return results;
	}
}