David Piepgrass qwertie

## CharCategories.html
<!doctype html>
<html>
	<head>
		<style>
			p { font-family: serif; }
			table {
				border-collapse:collapse;
			}
			table td, table td {
				vertical-align: top;

## whatAmI.ts
function whatAmI(thing: string|RegExp|null|number[]|Date) {
  if (thing instanceof RegExp || typeof thing === "string") {
    // Here, TypeScript knows that thing is RegExp|string
    if (typeof thing !== "string")
      console.log("Ahh, so it's a RegExp: " + thing.toString());
    else
      console.log("It's a string of length " + thing.length);
  } else {
    // Here, TypeScript knows that thing is null|number|Date
    if (thing == null)

## (incomplete) b+tree.ts
// Type parameters can have default values,
// so `var t: BTree` means `var t: BTree<any,any>`
export class BTree<K=any, V=any>
{
  // Root node (key-value pairs are stored in here)
  private _root: BNode<K, V>;
  // Total number of items in the collection
  _size: number = 0;
  // Maximum number of items in a single node
  _maxNodeSize: number;

## IBox.ts
interface IBox {
    readonly width: number;
    readonly height: number;
}
interface IArea {
    readonly area: number;
}

## private-box.ts
class PrivateBox {
  constructor(private width: number, private height: number) {}
  area() { return this.width * this.height; }
}
let x = new PrivateBox(4, 5);
console.log(x.area()); // OK
console.log(x.width); // ERROR: 'width' is private and only
                      // accessible within class 'PrivateBox'.

## box.ts
class Box {
  width: number;
  height: number;
  constructor(width: number, height: number) {
    this.width = width;
    this.height = height;
  }
  get area() { return this.width*this.height; }
  setSquare(side: number) {
    this.width = this.height = side;

## box.js
class Box {
  constructor(width, height) {                  // initializer
    this.width = width;
    this.height = height;
  }
  get area() { return this.width*this.height; } // getter function
  setSquare(side) {                             // normal function
    // set the Box's width and height to side, representing a square
    this.width = this.height = side;
  }

## ytypes.js
var y;
//  Math.random() is a random number between 0 and 1
if (Math.random() < 0.5)
    y = "Why?";
else
    y = 25;
y = [y, y];
console.log(y); // print [25,25] or ["Why?","Why?"] in browser's console

## expand_using.ecs - not .cs
// Define a macro recognized by LeMP ( http://ecsharp.net/lemp )
define #using($type $varname = $expression, $block) {
  {
    $type $varname = $expression;
    try $block
    finally {
      if ($varname != null)
        ((IDisposable)$varname).Dispose();
    }
  }

## package.json
  "scripts": {
    "test": "echo \"Error: no tests installed\" && exit 1",
    "build": "webpack --config webpack.config.js --mode=production",
    "build:dev": "webpack --config webpack.config.js --mode=development",
    "watch": "webpack --config webpack.config.js --mode=development --watch",
    "start": "node server.js"
  },
	<!doctype html>
	<html>
	<head>
	<style>
	p { font-family: serif; }
	table {
	border-collapse:collapse;
	}
	table td, table td {
	vertical-align: top;
	function whatAmI(thing: string\|RegExp\|null\|number[]\|Date) {
	if (thing instanceof RegExp \|\| typeof thing === "string") {
	// Here, TypeScript knows that thing is RegExp\|string
	if (typeof thing !== "string")
	console.log("Ahh, so it's a RegExp: " + thing.toString());
	else
	console.log("It's a string of length " + thing.length);
	} else {
	// Here, TypeScript knows that thing is null\|number\|Date
	if (thing == null)
	// Type parameters can have default values,
	// so `var t: BTree` means `var t: BTree<any,any>`
	export class BTree<K=any, V=any>
	{
	// Root node (key-value pairs are stored in here)
	private _root: BNode<K, V>;
	// Total number of items in the collection
	_size: number = 0;
	// Maximum number of items in a single node
	_maxNodeSize: number;
	interface IBox {
	readonly width: number;
	readonly height: number;
	}
	interface IArea {
	readonly area: number;
	}
	class PrivateBox {
	constructor(private width: number, private height: number) {}
	area() { return this.width * this.height; }
	}
	let x = new PrivateBox(4, 5);
	console.log(x.area()); // OK
	console.log(x.width); // ERROR: 'width' is private and only
	// accessible within class 'PrivateBox'.
	class Box {
	width: number;
	height: number;
	constructor(width: number, height: number) {
	this.width = width;
	this.height = height;
	}
	get area() { return this.width*this.height; }
	setSquare(side: number) {
	this.width = this.height = side;
	class Box {
	constructor(width, height) { // initializer
	this.width = width;
	this.height = height;
	}
	get area() { return this.width*this.height; } // getter function
	setSquare(side) { // normal function
	// set the Box's width and height to side, representing a square
	this.width = this.height = side;
	}
	var y;
	// Math.random() is a random number between 0 and 1
	if (Math.random() < 0.5)
	y = "Why?";
	else
	y = 25;
	y = [y, y];
	console.log(y); // print [25,25] or ["Why?","Why?"] in browser's console
	// Define a macro recognized by LeMP ( http://ecsharp.net/lemp )
	define #using($type $varname = $expression, $block) {
	{
	$type $varname = $expression;
	try $block
	finally {
	if ($varname != null)
	((IDisposable)$varname).Dispose();
	}
	}
	"scripts": {
	"test": "echo \"Error: no tests installed\" && exit 1",
	"build": "webpack --config webpack.config.js --mode=production",
	"build:dev": "webpack --config webpack.config.js --mode=development",
	"watch": "webpack --config webpack.config.js --mode=development --watch",
	"start": "node server.js"
	},