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I found understanding Rust types really confusing, so I wrote up a small tutorial for myself in an attempt to understand some of them. This is by no means exhaustive. There is a types section in the manual, but it has nowhere near enough examples.

I'm not talking about managed pointers (@) at all. A lot of the difficulty with Rust types is that the language is constantly changing, so this will likely be out of date soon.

First, a few preliminaries: it's easier to play with types if you have a REPL and can interactively check the types of objects. This isn't really possible in Rust, but there are workarounds.

To start out: some help

How to get a Rust REPL

Converting a Word Document to Markdown in One Move

The Problem

A lot of important government documents are created and saved in Microsoft Word (*.docx). But Microsoft Word is a proprietary format, and it's not really useful for presenting documents on the web. So, I wanted to find a way to convert a .docx file into markdown.

Installing Pandoc

On a mac you can use homebrew by running the command brew install pandoc.

	(function(){
	var counter = 0;
	function flappyai() {
	if (ingame && !gameover) {
	var next = 0;
	var nextx = 10000;
	var nexty = 100;
	for (var i = 1; i <= 3; i++) {
	var tube = $("#tube" + i).get(0).style.left;
	tube = Number(tube.substring(0,tube.length-2));

	require 'java'
	require 'sinatra'

	def keycode(key)
	name = "VK_#{key.upcase}"
	java.awt.event.KeyEvent.const_get(name)
	end

	robot = java.awt.Robot.new

	launchctl unload /Library/LaunchAgents/org.macosforge.xquartz.startx.plist
	sudo launchctl unload /Library/LaunchDaemons/org.macosforge.xquartz.privileged_startx.plist
	sudo rm -rf /opt/X11* /Library/Launch/org.macosforge.xquartz. /Applications/Utilities/XQuartz.app /etc/paths.d/XQuartz
	sudo pkgutil --forget org.macosforge.xquartz.pkg

	# Log out and log in

	#!/usr/bin/env python3
	import sys
	import getopt
	from PIL import Image

	xterm256colors = [ # http://pln.jonas.me/xterm-colors
	(0, (0x00, 0x00, 0x00)), # SYSTEM
	(1, (0x80, 0x00, 0x00)), # SYSTEM
	(2, (0x00, 0x80, 0x00)), # SYSTEM
	(3, (0x80, 0x80, 0x00)), # SYSTEM

	/System/Library/AccessibilityBundles/AXSpeechImplementation.bundle/AXSpeechImplementation
	/System/Library/AccessibilityBundles/AccessibilitySettingsLoader.bundle/AccessibilitySettingsLoader
	/System/Library/AccessibilityBundles/MapKitFramework.axbundle/MapKitFramework
	/System/Library/AccessibilityBundles/UIKit.axbundle/UIKit
	/System/Library/BulletinBoardPlugins/NanoMailDataProvider.bundle/NanoMailDataProvider
	/System/Library/BulletinBoardPlugins/SMSBBPlugin.bundle/SMSBBPlugin
	/System/Library/Caches/com.apple.xpc//sdk.dylib
	/System/Library/Caches/com.apple.xpcd/xpcd_cache.dylib
	/System/Library/CoreServices/Encodings/libArabicConverter.dylib
	/System/Library/CoreServices/Encodings/libCyrillicConverter.dylib