On Apr 14, 2014, at 4:20 PM, Philipp Dikmann <[email protected]> wrote:
For the general question, see Ian's response. > I'm currently trying to grok streams as explained in SICP. Their > implementation relies on the delayed (and optimized) evaluation of a streams > cdr. This is readily achieved using simple lambda-wrapping macros. This is one of those illusions that text books like to create. By the time you have thought through recursive re-entry and exception handling and continuations and who knows what -- all of them available in MIT Scheme, which was used to create SICP -- nothing looks simple and easy anymore. -- Matthias ____________________ Racket Users list: http://lists.racket-lang.org/users

