Dominic Fox poetix

poetix / HasThePairsWorksheet.scala

Last active December 16, 2015 13:39

Demonstrating a Map matcher with improved failure reporting

	package com.youdevise.matchless

	import org.specs2.matcher.MustMatchers._
	import com.youdevise.matchless.Collections._

	object HasThePairsWorksheet {
	val testMap = Map(
	"a" -> "Apple",
	"b" -> "Banana",
	"c" -> "Carrot"

poetix / builder.scala

Created January 15, 2013 12:26

Dynamic / Monadic object builder round 2

	package com.youdevise.lofty

	import org.specs2.mutable._
	import scala.language.dynamics
	import scala.language.reflectiveCalls
	import scalaz._
	import Scalaz._
	import scala.reflect.runtime.universe._

	trait Builder[T] {

poetix / RecorderSpec.scala

Created January 14, 2013 17:20

A monad which captures dynamic method invocations against multiple targets (for use in implementing object builders / matchers)

	package com.youdevise.lofty

	import org.specs2.mutable._
	import scala.language.dynamics

	trait State[S, A] {
	val runState: Function[S, (S, A)]
	def flatMap[B](f: A => Function[S, (S, B)]):Function[S, (S, B)] = (state:S) => {
	val (newState, value) = runState(state)
	f(value)(newState)

poetix / json_to_csv.py

Created August 29, 2012 09:58

Short script to fetch JSON from MongoDB, flatten to dictionary of leaf nodes, and write everything out in CSV format

	#!/usr/bin/python

	import urllib2
	import argparse
	import json

	parser = argparse.ArgumentParser(description="Fetch some JSON")
	parser.add_argument("url")
	args = parser.parse_args()

poetix / RangeSetsTest.java

Created January 5, 2012 15:03

Range Sets test

	public class RangeSetsTest {

	@Test public void
	an_empty_list_of_ranges_is_coalesced_to_an_empty_set() {
	Collection<Range<Integer>> ranges = newArrayList();

	assertThat(RangeSets.containing(ranges).size(), Matchers.is(0));
	}

	@SuppressWarnings("unchecked")

poetix / iterators.js

Created December 27, 2011 22:28

Lazy map, filter and reduce in Javascript

	Iterators = (function() {
	var each, map, filter, reduce, toArray, toObject;

	function _map(iter, f) {
	return {
	hasNext: iter.hasNext,
	next: function() { return f(iter.next()); }
	};
	}

poetix / index.html

Created December 25, 2011 20:29

HTML5 canvas particle demo

	<!DOCTYPE html>
	<html>
	<head>
	<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
	<script src="scanva.js"></script>
	<script src="particles.js"></script>
	</head>
	<body>
	<canvas width="500px" height="500px" id="canvas"></canvas>
	</body>

poetix / poker.clj

Created November 17, 2011 18:14

Checking for various poker hand combinations

poetix / combinators.js

Created March 10, 2011 10:44

Javascript Combinator examples

poetix / slothful.js

Created February 23, 2011 17:46

Lazy streams in Javascript

	'use strict';

	var slothful = (function() {

	function _(step) {
	var getResult = function() { return step(); };
	return function() {
	var result = getResult();
	getResult = function() { return result; }
	return result;