On Mar 27, 2007, at 8:24 PM, William D Clinger wrote:
(Proving that the third semantics is distinct from the other two is left as an exercise for readers who wish to understand a dark corner of Scheme.)
Come on! The dark corner is what gives us countless hours of fun with Scheme puzzles and mind benders. Here is one for the reader: Is the following a valid transformation in general: (list E1 E2) and (cons E1 (cons E2 '())) Assume the usual meaning of cons, list, and quote and arbitrary Scheme expressions E1 and E2. Aziz,,, _______________________________________________ r6rs-discuss mailing list [email protected] http://lists.r6rs.org/cgi-bin/mailman/listinfo/r6rs-discuss
