Monoids in Haskell

Brief notes on monoids in Haskell.

Martin Oldfield, 07 Sep 2020

Diagrams with Haskell

Thoughts on using Haskell

Martin Oldfield, 13 Aug 2020

PureScript

Notes on PureScript.

Martin Oldfield, 11 Nov 2017

Waiting for six

Brief thoughts on a dice-rolling question in David MacKay’s book.

Martin Oldfield, 29 Jun 2017

Applicative IO

Some benefits to using the Applicative instance of IO, which I find particularly useful for casual use in ghci.

Martin Oldfield, 27 Apr 2017

Haskell Toys

An attempt to abstract away the boilerplate when writing little command line toys in Haskell.

Martin Oldfield, 09 May 2016

Extra-project Stack

Brief notes on using the Haskell Tool Stack with local repositories, but without a specific project.

Martin Oldfield, 09 May 2016

OrUnit

Simple experiments with polymorphic return types in Haskell.

Martin Oldfield, 04 May 2016

Transpose and sequenceA

Notes towards an intuitive understanding of transpose in terms of sequenceA.

Martin Oldfield, 03 May 2016

Monads in Haskell: ((->) r)

Brief notes on the ((->) r) monad in Haskell.

Martin Oldfield, 30 Mar 2016

Monads in Haskell: Lists &c.

Brief notes on the list and similar monads in Haskell.

Martin Oldfield, 25 Mar 2015

Monads in Haskell: Algebra

Brief notes on the algebraic side of monads in Haskell.

Martin Oldfield, 30 Aug 2014

Monads in Haskell: Reader

Brief notes on the reader monad in Haskell.

Martin Oldfield, 30 Aug 2014

Church Numerals

Fun and games with Church numerals in Haskell.

Martin Oldfield, 05 Jun 2013

A Coordinate Decoder

A simple PIC-based coordinate decoder for geocache puzzles.

Martin Oldfield, 05 Jun 2013

Haskell qua calculator

Although Haskell is a fine language for hard-core programming, it’s increasing my tool of choice for trivial arithmetic too.

Martin Oldfield, 05 Jun 2013