One of the defining characteristics of Haskell— that you often see listed in what sets it apart from other languages— is that it is the only common language that’s lazy.

It has been a while since I last wrote one of these posts and I didn’t want to leave people sitting by their computer desks forever, waiting with bated breath for the next one to pop up in your Google Reader feed (…whispers from the Internet…), okay...

You read that right. Or maybe, if you read it as “stop using Ruby and start using Haskell”, you read it wrong. I’m going to show you why I find Haskell to be utterly fascinating and eminently practical.

Foremost, I want to collect some bits and pieces...