pauloricardokoch

const regex = /(turn (on|off)|toggle) (\d+),(\d+) through (\d+),(\d+)/

const operations = []
operations['toggle'] = (light) => light + 2
operations['turn on'] = (light) => light + 1
operations['turn off'] = (light) => Math.max(light - 1, 0)

const parseLine = (s) => {
	let [, operation, , x_start, y_start, x_finish, y_finish] = s.match(regex)

pauloricardokoch

const regex = /(turn (on|off)|toggle) (\d+),(\d+) through (\d+),(\d+)/

const operations = []
operations['toggle'] = (light) => Number(!light) 
operations['turn on'] = (light) => 1
operations['turn off'] = (light) => 0 

const parseLine = (s) => {	
	let [, operation, , x_start, y_start, x_finish, y_finish] = s.match(regex)

pauloricardokoch

;; THE LAW OF CAR
;; The primitive car is defined only for non-empty lists.


;; THE LAW OF CDR
;; The primitive cdr is defined only for non-empty lists.
;; The cdr of any non-empty list is always another list.


;; THE LAW OF CONS

pauloricardokoch

<?php
// This function allows creating a new function from two functions passed into it		
//e.g.:		
//php > $explode = curry_left("explode", ",");		
//php > $toUpper = curry_left("strtoupper");		
//php > $map = curry_left("array_map", $toUpper);		
//php > $compose = compose($map, $explode);		
//php > print_r($compose("paulo,ricardo,koch"));		
//Array		
//(