On Oct 9, 5:50 am, Matthias Blume <[EMAIL PROTECTED]> wrote: > "." <[EMAIL PROTECTED]> writes: > > On Tue, 09 Oct 2007 05:15:49 +0000, gnuist006 wrote: > > >> Again I am depressed to encounter a fundamentally new concept that I > >> was all along unheard of. Its not even in paul graham's book where i > >> learnt part of Lisp. Its in Marc Feeley's video. > > >> Can anyone explain: > > >> (1) its origin > > One of the lambda papers, I think. I don't remember which. > > This is a common misconception. There is very little that > originated from the "lambda" papers. But they did a marvelous job at > promoting some of the ideas that existed in the PL community for > years. > > As for the concept of continuations, there is Scott and Strachey's > work on denotational semantics, and there is Landin's J operator. > (There's probably more that I am forgetting right now.) > > >> (6) any good readable references that explain it lucidly ? > > One of the most lucid explanations of definitional interpreters -- > including those that are based on continuation-passing -- are > explained in J. Reynolds' famous 1971 "Definitional Interpreters for > Higher-Order Functions" paper. (It has been re-published in 1998 in > HOSC.) The paper also explains how to perform defunctionalization, > which can be seen as a way to compile (and even hand-compile) > higher-order programs. > > Matthias
Matthias, thanks for the reference, but I dont have access to an engineering library. I would appreciate, if you have access to paper/ scanner or electronic copy to help many of us out, you are not just helping me but many will thank you. -- http://mail.python.org/mailman/listinfo/python-list
