In 2015 in London I attended my first European Lisp Symposium. I was 21 at the time, and while this wasn’t my first time abroad on my own, it was...

   Or, second system. A while ago, I decided that I’d like to test my intuition that Lisp (specifically implementations of Common Lisp) was not, in fact...

   By Robert Smith All Elementary Functions from a Single Operator is a paper by Andrzej Odrzywołek that has been making rounds on the internet...

   A couple of weeks ago I released FSet 2.4.0, which brought a CHAMP implementation of bags, filling out the suite of CHAMP types. 🚀...

   I wrote on this topic before but the landscape has changed a lot since then. Skip to the new Qlot workflow. When you work on projects that become...

   Some very serious rules. Very serious. The essential rule. If you are not building languages in Lisp why are you even here? The lesser rules. If you...

   About 30 years ago, I had an idea for a coding game inspired by Nomic. It occurred to me last month that all of the tools I need are readily...

   There are still a few of us (at least two) who are using MK:DEFSYSTEM. The venerable system construction tool has accumulated a lot of ancient cruft,...

   When talking to Lisp programmers, you often hear something like, adapt Lisp to your problem, not your problem to Lisp. The basic idea is this: if...

   We are announcing a new stable ECL release. This release highlights: bytecodes closures are now faster and avoid capturing unused parts of the...