lib/sugar.js
/*
  This function receives an object and returns the number 
  of key-value pairs (properties) in the object.
*/
This function receives an object and returns the number
of key-value pairs (properties) in the object.
This function receives an object and returns the number of key - value pairs ( properties ) in the object .
function size(object) {
  return Object.keys(object).length;
}
function size ( object ) { return Object . keys ( object ) . length ; }
This function receives an object and returns the number
of key-value pairs (properties) in the object.
This function receives an object and returns the number of key - value pairs ( properties ) in the object .