{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Jyve CoffeeScript\n",
    "[CoffeeScript](http://coffeescript.org/) is a little language that compiles into JavaScript. "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Assignment:\n",
    "@number   = 42\n",
    "@opposite = true"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Conditions:\n",
    "@number = -42 if @opposite"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Functions:\n",
    "@square = (x) -> x * x"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Arrays:\n",
    "@list = [1, 2, 3, 4, 5]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Objects:\n",
    "@math =\n",
    "  root:   Math.sqrt\n",
    "  square: @square\n",
    "  cube:   (x) -> x * @square x"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Splats:\n",
    "@race = (winner, runners...) ->\n",
    "  print winner, runners"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Existence:\n",
    "alert \"I knew it!\" if elvis?"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Array comprehensions:\n",
    "cubes = (@math.cube num for num in @list)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "class Animal\n",
    "  constructor: (@name) ->\n",
    "\n",
    "  move: (meters) ->\n",
    "    alert @name + \" moved #{meters}m.\"\n",
    "\n",
    "class Snake extends Animal\n",
    "  move: ->\n",
    "    alert \"Slithering...\"\n",
    "    super 5\n",
    "\n",
    "@Snake = Snake"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "@sam = new @Snake \"Sammy the Python\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "@sam.move()"
   ]
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "CoffeeScript (unsafe) — Jyve",
   "language": "coffeescript",
   "name": "jyve-kyrnel-coffee-unsafe"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "coffeescript"
   },
   "file_extension": ".coffee",
   "mimetype": "text/coffeescript",
   "name": "coffeescript",
   "nbconvert_exporter": "coffeescript",
   "pygments_lexer": "coffeescript",
   "version": "2.2.1"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 2
}