I just stumbled upon a blog-post where Mittal Patel solved this little puzzle using PHP: 100 people standing in a circle in an order 1 to 100. No. 1 has a sword. He kills next person (i.e. no. 2) and gives sword to next to next (i.e no. 3). All person doe[...]

This weekend Evelina, Yan an I had the pleasure of speaking at f(by) the first dedicated functional conference in Belarus. It was a short hop by train from Vilnius to Minsk, where we had been attending Build Stuff. Sergey Tihon, of F# Weekly fame, was wai[...]

How hard is it to get started in functional programming? Let’s have a look at how quickly you can get started on a selection of simple expression-oriented programming languages. Today let’s try Clojure, Elm, F#, Haskell and OCaml. Online REPL No insta[...]

I find it kindof fun to play with lambda calculus from time to time. Recently I had another go at the church numerals and the goal of my little kata was get a nice type-representation for them: Have something lie … Weiterlesen →

Following on from VB.Net’s new basic pattern matching support, the C# team has recently put forward a proposal for record types and pattern matching in C# which was posted in the Roslyn discussion area on CodePlex: Pattern matching extensions for C# e[...]

Last month Grant Crofton popped down from Leeds to the F#unctional Londoners meetup at Skills Matter to run a fun hands on code golf session. The idea of code golf is to implement a specific algorithm in the fewest possible characters. This is not the kin[...]

For about a year or so, I have made Functional Reactive Programming (FRP) taboo. I cringed at every mention of it. I think this was a mental self-defense reaction, my extended immune system was sending me a signal that I spent too much time thinking abou[...]

There are a lot of interesting programming languages out there, but downloading and setting up the environment can be very time consuming when you just want to try one out. The good news is that you can try out many languages in your browser straight away[...]

Towards generic programming in F#: thoughts on generalizing the earlier combinators over records and unions... I wrote earlier a little post on combinators over records and unions. This approach in F# is still very attractive to me for defining various[...]

The annual CUFP workshop is a place where people can see how others are using functional programming to solve real world problems; where practitioners meet and collaborate; where language designers and users can share ideas about the future of their favor[...]