At Sun, 18 Jul 2010 22:55:44 +0200, "Jos Koot" wrote: > Now consider: > > (let ((var ...)) > ... > (hash-ref hash key (lambda () var)) > > Do I understand well that this thunk is not cq cannot be compiled to a > constant?
Correct. > When compiling the thunk, the location of var relative to the top of the > stack is known, is it not? Yes, its location is known for the purpose of saving the value in a newly created closure. The compiler doesn't see the body of `hash-ref', though, so it cannot avoid code to allocate the closure. _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/users