amasad

function foo() {
  var a  = [];
  for (var i = 0; i < 20000000; i++) {
    a.push({});
  }
}

function repeat() {
  printMem('before alloc');
  foo();

amasad

var spawn = require('child_process').spawn;
var csp = require('js-csp');

class Math {
  constructor(readyCallback) {
    this._readyCallback = readyCallback;
    this._worker = spawn('6to5-node', ['worker.js']);
    this._worker.stderr.pipe(process.stderr);

    this._reqChan = csp.chan();

amasad

/* @flow */

class Foo {
  n: ?number;

  test(): boolean {
    var n = this.n;
    if (n == null) {
      return false;
    } else {

amasad

/* @flow */

// This works:
class Foo {
  test(n: ?number): boolean {
    if (n == null) {
      return false;
    } else {
      return n > 10;
    }

amasad

What about a closure in the param list that refers to a param later in the list?

function foo(bar = function() { return x; }, x = 1) {
  return bar();
}
foo(); // throws or 1?

I'm inclined to think that's fine because it's equivalent to:

amasad

#lang racket

(require 2htdp/image
         2htdp/universe)

; Cell object.
(define make-cell
  (lambda (x y)
    (list (list x y) #f)))

amasad

(function () {
  var debounce = function (fn, d) {
    var t;
    return function () {
      if (t) clearTimeout(t);
      t = setTimeout(fn, d);
    };
  };
  var giffy = function () {
    [].slice.apply(document.querySelectorAll('a')).filter(function (a) {

amasad

function cons (a, b) {
  return function (sel) {
    return sel(a, b)
  }
}

function car (l) {
  return l(function (a, b) {
    return a
  })

amasad

var adam = Proxy.create({
    get: function (rec, message) {
        var firstname = "Adam";
        var lastname = "of Eden";
        switch (message) {
            case "getName":
                return firstname + " " + lastname;
            default:
                throw "unknown message " + message;
        }

amasad

// requires underscore.js for `_.clone`, although come to think about it could be done without it.

// The router module.
var router = (function () {

  // Get the location array and filter out empty strings.
  var path = window.location.pathname.split('/').filter(Boolean)
      // The param arg stack.
    , arg_stack = [];