Micah Martin has done the Coin Change Kata in Clojure. His collegue did it in Ruby (presented in the end of the Micah's post). I don't like either of the solutions. The Clojure one is almost unreadable - it's extreamly hard to understand what's really goi[...]

It’s time to make first steps to the new improved FSI. I feel that I should start looking for ways to implement something from My wish list for FSI. Let’s begin from #3 and try to find a list of declared variables and functions. Before execution of any pi[...]

Some times you encounter a class that implements IEnumerator without any IEnumerable implementation. To preserve the spirit of the enumerator (basically a cursor) we can just add an extension method that yields the elements. But most of the time it’s simp[...]

Amazon’s DynamoDB is a wonderful product – scalable, durable, fast, with predictable latency numbers unlike SimpleDB. However, the only gripe I have with DynamoDB is that there is no built-in support for a query language, which makes life rather difficult[...]

I have thought about possible directions of FSI development. I have some ideas that I would like to share and discuss. In general, it would be great to make FSI more than just an execution shell. It can become a really powerful development tool. What exac[...]

F# supports writing custom monads very well. Take a look at (famous :) maybe monad which is just 6 lines of code:

Well we're doing it again!   I've been running a conference "Functional Programming eXchange" in London for a few years now. The conference is run by Skills Matter and will take place on Friday 15th Mar 2013.   The idea of the conference is to bring toge[...]

Expert F# 3.0 is now out!   The book is a comprehensive guide to F#, with the first chapters taking you through functional, imperative and object programming, and later chapters featuring many applied topics in F# programming. The book has been substantia[...]

On Tuesday at 3:00pm I will be talking at Microsoft Research, Silicon Valley (directions) on F# 3.0 and the general topic of "Reconsidering Strongly Typed Programming Languages for the Information-Rich World" The talk is a public lecture. If you plan on c[...]

Welcome to F# Weekly, Enjoy F# reading list from this past week. Blogs & Tutorials Phil Trelford blogged “Progressive F# Tutorials London 2012“. Daniel Mohl shared presentation “Building Better Web Apps with F#“. Jack Fox published “The Miracle of F# Cont[...]