Don Stewart, Duncan Coutts and Simon Marlow ended the Haskell Symposium yesterday with a wonderful session about the future of Haskell. Don and Duncan began with an acknowledgement of the importance of libraries to the health and future of the…

Here’s a simple program I wrote on a whim tonight, to take a very basic look at GHC’s low-level threading performance. module Main where import Control.Applicative import Control.Concurrent.MVar import Control.Concurrent import Data.Time import System.Environment main = do mv <- newEmptyMVar…

Applicative functors are gorgeous and versatile creatures, but as is common in Haskell, they lack a little in documentation. The paper that Conor and Ross wrote introducing them is good, but dense. What if we were to skip all the…

Tired of imperative programmers kicking sand in your face? Send some cut-out lambdas and a postal order for 5 frobs to haskell.org, and we’ll send you a handy-dandy poster of those famous superheroes, the Monad Squad! State helps functional programmers…

POPL 08 takes place next week, so San Francisco will be flooded with an army of burly and menacing programming language researchers and type theorists. Kids, don’t say you haven’t been warned. On Wednesday evening, January 9, Phil Wadler will…