math_demo/lib/simple_math.js

An demo of createing a package

var call_counter=require('./call_counter');

function add(x,y)
{
	call_counter();
	return x + y;
}

function subtract(x,y)
{
	call_counter();
	return x - y;
}

modulr.exports={
	addition:add,
	substraction:substract
}