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Programming

Christmas holidays is one of my favourite moment in the year, I have time to see my relatives, read books, play with my kids and hack a little bit. Forewords I think I don't like the most in the strawman proposal is that the syntax for function type and for lambda literal reuse the same symbol '#'. It's something that I've observed when teaching C. The C syntax use * when you...
on Dec 27, 2009
Last June, Arnold Schwaighofer push a patch to mlvm repository that allow to transform tail call invocation of a method to a jump. Even if this transformation is classical in language like Lisp, Scheme or Caml, the JVM was not offering any help to optimize this kind of call until this patch. Recently, Tom Davies has refreshed the patch in order to be used with a more recent...
on Dec 18, 2009
Mark Reinhold recently blogs about the renaissance of closure in Java (*). In his blog, he also wrote that in order to have closures in Java, Java will have to include another feature named extension methods. As you may already know, I'm a big fan of closures but the introduction of extension methods in Java really scary me. * Ok, they are more lambdas than closures. Why extension...
on Nov 28, 2009
Java VM embodies continuations now (not in production, in a hacking mode :), This post shows how to write a non-blocking server with continuations. Why using continuation with non blocking IO There are two models when you deals with IO: the thread model: read and write calls block until they at least read one caracter or write the whole buffer, so one use thread to be able to...
on Nov 22, 2009
Let me introduce a new language named pseudo (Why this name ? Why another language ? Why God ? all these questions will be answered in a later blog). One great feature of this language is that it allows gradual typing, i.e. you can assign a type to a parameter, a local variable, etc. or not. If a variable as no type, the compiler consider it as any. You can assign any value...
on Nov 1, 2009