functionCurry.js

// Use this to create a generic function that you can specialize later
// This example takes only 1 argument
function add(firstNumber) {
	//var addMe = firstNumber;
	
	return function(secondNumber) {
		return firstNumber + secondNumber;		
	}
}
var twenty = add(12)(8);
console.log(twenty);


var addFive = add(5);
console.log(addFive);

var fifteen = addFive(10);
console.log(fifteen);

var addTwelve = add(12);
console.log(addTwelve(30)); // 42  
console.log(addTwelve(100)); //112

var greet = add("Hi");
console.log(greet("Chris"));

console.log("---------------------");

// This example can be called different ways
function addFlexible(num1, num2) {
	if(num2){
		return num1 + num2;
	}
	var addMe = num1;
	return function(num1) {
		return addMe + num1;
	}
}

var twentyOne = addFlexible(13,8);
console.log("Should be 21: " +twentyOne);

var twentyTwo = addFlexible(13)(9);
console.log("Should be 22: " + twentyTwo);

Function currying - When you break down a function that takes multiple arguments into a series of functions that take part of the arguments.