From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (from majordomo@localhost) by pauillac.inria.fr (8.7.6/8.7.3) id FAA14222; Fri, 23 Jul 2004 05:32:50 +0200 (MET DST) X-Authentication-Warning: pauillac.inria.fr: majordomo set sender to owner-caml-list@pauillac.inria.fr using -f Received: from nez-perce.inria.fr (nez-perce.inria.fr [192.93.2.78]) by pauillac.inria.fr (8.7.6/8.7.3) with ESMTP id FAA13020 for ; Fri, 23 Jul 2004 05:32:49 +0200 (MET DST) Received: from nexus.stwing.upenn.edu (NEXUS.STWING.UPENN.EDU [165.123.132.61]) by nez-perce.inria.fr (8.12.10/8.12.10) with ESMTP id i6N3WlEV008262 for ; Fri, 23 Jul 2004 05:32:48 +0200 Received: from force.stwing.upenn.edu (force.stwing.upenn.edu [165.123.132.65]) by nexus.stwing.upenn.edu (8.12.10/8.12.9) with ESMTP id i6N3Wkfn010016 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL) for ; Thu, 22 Jul 2004 23:32:47 -0400 (EDT) Received: from force.stwing.upenn.edu (localhost [127.0.0.1]) by force.stwing.upenn.edu (8.12.10/8.12.9) with ESMTP id i6N3Wjhs001036 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Thu, 22 Jul 2004 23:32:46 -0400 (EDT) Received: (from wlovas@localhost) by force.stwing.upenn.edu (8.12.10/8.12.9/Submit) id i6N3WjBf001034 for caml-list@inria.fr; Thu, 22 Jul 2004 23:32:45 -0400 (EDT) Date: Thu, 22 Jul 2004 23:32:45 -0400 From: William Lovas To: caml-list Subject: Re: lazyness in ocaml (was : [Caml-list] kprintf with user formatters) Message-ID: <20040723033244.GA296@force.stwing.upenn.edu> Mail-Followup-To: caml-list References: <200407211552.RAA04351@pauillac.inria.fr> <6DA682B9-DB3D-11D8-9D25-000393DBC266@epfl.ch> <20040722182851.B18239@pauillac.inria.fr> <1090537249.5870.168.camel@pelican.wigram> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1090537249.5870.168.camel@pelican.wigram> User-Agent: Mutt/1.5.4i X-Miltered: at nez-perce with ID 410086DF.001 by Joe's j-chkmail (http://j-chkmail.ensmp.fr)! X-Loop: caml-list@inria.fr X-Spam: no; 0.00; lovas:01 wlovas:01 stwing:01 lazyness:01 caml-list:01 kprintf:01 formatters:01 2004:99 expr:01 expr:01 lazily:01 okasaki's:01 wadler's:01 homepages:99 wadler:01 Sender: owner-caml-list@pauillac.inria.fr Precedence: bulk On Fri, Jul 23, 2004 at 09:00:49AM +1000, skaller wrote: > How about sugar: > > \(expr) <==> lazy expr > > Since arguments to be lazily evaluated are never variables, > they're often going to be surrounded in brackets already, > and so this is only a single character .. > a lazy way to spell lazy .. and a very easy implementation :) ... and this is a lot like Okasaki's $ proposal, also mentioned in Wadler's paper on lazy notation in strict languages[1]. There really is nothing new under the sun :) William [1] http://homepages.inf.ed.ac.uk/wadler/papers/lazyinstrict/lazyinstrict.txt ------------------- To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/ Beginner's list: http://groups.yahoo.com/group/ocaml_beginners