PetrSnobelt

const t = require("tcomb");
// imstruct is a tcomb type builder that internally builds an
// Immutable.Record object, but applies tcomb's type system to it
const imstruct = require("../util/imstruct");

const Person = imstruct({
  name: t.String,
  age: t.Number
});

PetrSnobelt

const near = [[-1,-1], [0, -1], [1, -1],
              [-1, 0],          [1,  0],
              [-1, 1], [0,  1], [1,  1]];
         
const neighbours = ([x, y]) => 
    near.map(([nx,ny]) => [x + nx, y + ny])

//maybe using Symbol can help
Array.prototype.hash = function() {return this.join(',')}

PetrSnobelt

Resources
https://github.com/jaredly/rxvision - visualize rx

Pro získávání dat ze serveru
https://www.npmjs.com/package/observable-event-source

test sample 
https://github.com/Reactive-Extensions/RxJS/blob/master/src/modular/test/buffercount.js

PetrSnobelt

Rx Training Games  learn and practice Reactive Extensions coding grid-based games 
http://moumne.com/rx-training-games/

Learning FP the hard way: Experiences on the Elm language
https://gist.github.com/ohanhi/0d3d83cf3f0d7bbea9db

Reactive Programming at Cloud-Scale and Beyond [video]
http://www.infoq.com/presentations/reactive-cloud-scale

cyclejs

PetrSnobelt

"use strict";

const near = [[-1,-1], [0,-1], [1,-1],
              [-1, 0],         [1, 0],
              [-1, 1], [0, 1], [1, 1]];

const neighbours = (p) => 
  near.map(i => [ (p[0] + i[0]), (p[1] + i[1]) ]);

var contain = (p, neig) => 

PetrSnobelt

function flat(arr){ 
  return [].concat.apply([], arr);
}

//can be created by simple array
function nearNeighbours() {
  var all = [-1, 0, 1].map(function (y) {
    return [-1, 0, 1].map(function (x) {      
      return [(x), (y)];
    });