[racket] writing a define-world macro

From: Shriram Krishnamurthi (sk at cs.brown.edu)
Date: Sun Jul 25 18:44:57 EDT 2010


Danny has defined updaters for his world.  However, the reason we
didn't make these public is because we ultimately need to deal with
lvalues, which (a) are arguably not a good idea, and (b) we certainly
can't do as a macro anyway.  Make sure you think about that.


Posted on the users mailing list.