I may think how call/cc should deal with delay's (call-by-need) is a moot point (theory vs implementation).
Keiko From: Matthias Felleisen <matth...@ccs.neu.edu> Subject: Re: [racket] begin vs + Date: Mon, 2 Aug 2010 10:00:39 -0400 > > call/cc captures the environment when it creates a procedural representation > of the continuation, just like lambda. The two are doing more or less the > same thing with two differences: > > (1) lambda uses an explicit expression to create a procedure while call/cc > uses an implicit expression (the current evaluation context); > > (2) lambda create a mathematical abstraction if the expression avoids > effects and call/cc introduces an effect into its procedure (abort). > > Note, a functional continuation creator (say F but NOT shift) avoids the > second difference. _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/users
