tsakic_math_example/lib/simple_math.js

An example of creating 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;
}
module.exports = {
 addition: add,
 subtraction: subtract
}