On Sun, Apr 5, 2009 at 9:07 AM, kirby urner <kirby.ur...@gmail.com> wrote: > As my grandmother might have said: ai yai yai > http://answers.yahoo.com/question/index?qid=20081203103806AA4TSOq > > I'm guessing Kay (XY? XX? -- not that I need to know) is a LISP and/or > Scheme head, by the looks of those lambdas. Probably why Python > doesn't want a big one is precisely this: the language would fall > under the control of the Great Lambda Kings (a small tribe to our > north, spends all its time extending emacs). > > Ya gotta love 'em!
You should try UnLambda, then. ;-> _The_ most minimalist Turing-tarpit language I knew of until just this moment, when I looked it up on Wikipedia and found out about the languages Iota and Jot. Wonderful for proof-of-concept studies. There is a Parrot implementation of UnLambda. Here, for example, is an UnLambda implementation of the Y fixed-point combinator. ```s``k``sii``s``s`ksk`k``sii where i is an abbreviation for ``skk. Joy is a pure functional languages without Lambda. A square function in Joy is quite FORTH-like. DEFINE square == dup * . J also does without Lambda. It has a functional subset with Currying (&) in which one can write square =. ^&2 I helped Iverson with a small design point in that functional subset, and wrote a paper about a generalization of the idea for the next year's APL conference. In the class of languages I discussed, one can dispense with variables. > Kirby > > > > On Sun, Apr 5, 2009 at 8:27 AM, John Posner <jjpos...@snet.net> wrote: >> kirby urner wrote: >>> >>> Excellente! kind sir. >>> >> >> Here's a Python solution from Kay Schluehr on python-list. I've >> pretty-printed it, sort of. If the line endings get garbled, just look for >> the backslashes: >> >> g = (lambda primes = []: \ >> (n for n in count(2) if \ >> (lambda n, primes: \ >> (n in primes if (primes and n<=primes[-1]) \ >> else (primes.append(n) or True if all(n%p for p >> in primes if p <= sqrt(n)) \ >> else False) \ >> ) \ >> )(n, primes) \ >> ) \ >> )() >> >> "g" is a generator, so get the values with g.next(). -- Silent Thunder (默雷/धर्ममेघशब्दगर्ज/دھرممیگھشبدگر ج) is my name And Children are my nation. The Cosmos is my dwelling place, The Truth my destination. http://earthtreasury.net/ (Edward Mokurai Cherlin) _______________________________________________ Edu-sig mailing list Edu-sig@python.org http://mail.python.org/mailman/listinfo/edu-sig
