Uncategorized – free-variable.org

Language style…

Fitting in

This article first appeared in PragPub back in 2016. This, what you hold in your hand, was almost the twelth article in my series on modern functional programming, which appeared…

Motherhood and apple pie

I'm full of flu and feeling quite grumpy, so what better time to unload on something that often annoys me? Today's target is that aura of "righteousness" that leads some people…

The FP Anthology book has just been printed!

I'm slightly pleased to announce that Programming: A PragPub Anthology has now been printed! My box of free copies arrived last week, fortunately coinciding with a parental visit (and gave me…

My older articles in PragPub

2 Aug 201721 Sep 2022

UPDATE: the original links no longer work, but some of the PragPub content from a range of authors is being added to Medium, see https://medium.com/@pragpub. See https://medium.com/search?q=callaghan+pragpub for a list…

I’ve written part of a book!

I'm pleased to announce that some of my earlier articles for the PragPub magazine will be published in a new anthology, which is available in Beta (e-Book) now and due to be…

I’m writing a book!

I'm rather delighted to confirm that I'm now writing a book! You might have seen my articles in the Pragmatic Programmers' in-house magazine. (If not, start with this one from August 2012. There's eleven…

Mind the gap please

Or, how all programming language evolution charts are incomplete. Or even, how so many of you are looking the wrong way! Just a quick moan this time. No doubt you've all…

My PhD thesis is 15 years old

31 Jan 201315 Jul 2020

Since I left the organised education industry, my PhD thesis has not been readily available on the web. It's about time I gave it a proper home. So: my thesis…

I’ve been distracted…

I've not posted for a while, at least not here, but I have kept up the habit elsewhere. If you didn't know, I've been writing a few articles on Haskell…

Open source at its best? A review of Spreeconf Europe 2012

The conference I could not miss Last time I was in Dublin, I swore I'd never go back to the Guinness Storehouse. (I'll explain why later, for those who are…