Notes.

Hi folks, I have two exciting announcements this week.

First, I’m sending Christmas cards to readers of The REPL. This is a custom design by my wife, so you can only get it from me, this one time. If you’d like one, fill out your details. I’m only sending 80 cards, so get in quick if you’d like one.

Second, I’ve been working on Deps, a private Maven repository service (for storing your companies private JARs) this year. I have recently got a private beta up and running and already have several companies using it. If you’d like to stop running Nexus on that dusty server in the corner of the office, sign up and I’ll get you on board as soon as possible.

Thanks, and enjoy this weeks newsletter.

People are worried about Types. ?

There’s been lots of type worrying again this week.

• Alex Miller has a good take on Clojure and types
• Duelling Rhetoric of Clojure and Haskell
• On Types and Intent

Foundations.

• I don’t know how much use this would be for Clojurists, but Brian Goetz has a proposal for Data Classes for Java. Like last weeks Java proposals, its worth reading just for a succinct definition of the problem space.
• I missed this when it came out, but Mark Reinhold has proposed moving Java to having two feature releases/year. There will also be an LTS version supported for at least three years which is roughly equivalent to what we have now.
• In conjunction with the new release cycle is a proposal for a new versioning system.

Tools.

• Lightmod is an all-in-one tool targeted at beginners  for full stack Clojure. From Zach Oakes (of course).
• Last week I got the link to Closh, the Clojure shell wrong, so it’s back again this week.
• Enlighten mode in Cider looks cool

Recent Developments.

• All quiet on the Clojure front, I’m expecting a 1.9 release very soon.

Misc.

• Sentimental Versioning