mathiasverraes’s gists

mathiasverraes / ducktyping.php

Created November 24, 2016 18:55

duck typing

	<?php

	// duck typing
	final class Foo {
	public function bar ($object) {
	$object->quack();
	}
	}
	// Because we know nothing about $object, it's only by calling quack that we can
	// tell whether object supports quack()

mathiasverraes / file.php

Created November 24, 2016 18:24

faking method overloading

	<?php
	// method overloading example (not possible in php)
	final class SomeEventListener {
	public function when(EmployeeWasHired $event) {
	// set a salary
	}

	public function when(EmployeeWasPromoted $event) {
	// increase salary
	}

mathiasverraes / instanceof.php

Last active November 24, 2016 18:14

Instanceof rant

	<?php

	final class Foo {
	public function bar (AnemicObject $object) {
	switch (true) {
	case $object instanceof Alfa:
	// do alpha shizzle
	case $object instanceof Beta:
	// do beta shizzle
	}

mathiasverraes / MonoidalFizzBuzz.hs

Created November 16, 2016 16:21

Extensible Monoidal FizzBuzz in Haskell

	module MonoidalFizzBuzz where

	import Data.Monoid
	import Data.Maybe

	-- based on @mittie https://twitter.com/mittie/status/798257339736453120
	monoidalFizzbuzz = zipWith fromMaybe numbers strings
	where
	fizzes = cycle [Nothing, Nothing, Just "Fizz"]
	buzzes = cycle [Nothing, Nothing, Nothing, Nothing, Just "Buzz"]

mathiasverraes / Workflow.hs

Created August 16, 2016 08:45

haskell (publishing) workflow experiment

	module Workflow where

	import Data.Maybe
	import Data.Set

	newtype State = State String deriving(Ord, Show, Eq)
	type States = Set State
	data Action = Action String deriving(Eq, Show)
	type Workflow = [Transition]
	data Transition = Transition {

mathiasverraes / zeromq.md

Last active September 4, 2025 05:56

zeromq php7

git clone git://github.com/mkoppanen/php-zmq.git
cd php-zmq
phpize && ./configure
make && make install

Finally add the following line to your php.ini:

mathiasverraes / Maze.hs

Last active August 4, 2016 17:40

initial PoC for a maze game in Haskell

mathiasverraes / LeSighTest.php

Created June 30, 2016 12:48

PHP string casting

	<?php

	final class FuckYouPHPTest extends \PHPUnit_Framework_TestCase {
	/** @test */
	public function should_fail () {
	new WantsAString(new NotAString());
	// Fails as expected
	}

	/** @test */

mathiasverraes / Beauforma.hs

Last active June 30, 2016 19:34

A haskell solution to @yreynhout's Projection workshop https://gist.github.com/yreynhout/5d2faf478909fbd8e366396dfdde05b4

	{-# LANGUAGE ExistentialQuantification #-}
	module Beauforma where

	import qualified Data.Map.Strict as M

	data Event =
	GuestBookedAppointment {
	appointmentId :: Guid,
	guestId :: GuestId,
	appointmentDateAndTime :: DateTime,

mathiasverraes / Money.hs

Last active June 21, 2016 21:08

fooling around with haskell types and money

	{-# LANGUAGE ExistentialQuantification #-}
	module Money where

	data Money a = Currency a => Money {currency :: a, amount :: Float}
	instance Show (Money a) where
	show (Money c a) = show c ++ " " ++ show a
	instance Eq (Money a) where
	(Money cx x) == (Money cy y) = cx == cy && x == y
	class (Eq a, Show a) => Currency a where symbol :: a
	data EUR = EUR deriving (Show, Eq)

Mathias Verraes mathiasverraes