Article View: comp.lang.misc
Article #5999Re: aGREeable features (was Re: Algol-68 down for the count)
From: Jeff Dalton
Date: Fri, 09 Dec 1988 21:33
Date: Fri, 09 Dec 1988 21:33
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In article <3289@uoregon.uoregon.edu> markv@drizzle.UUCP (Mark VandeWettering) writes: >In article <2070@garth.UUCP> phipps@garth.UUCP (Clay Phipps) writes: > Call by name is very difficult to implement *in languages with > side effects* It's pretty easy in some languages with side effects. Scheme for example. And the Algol-60 "thunks" technique could be applied in other languages. (The idea is that each name parameter is represented by procedures called "thunks". There's one to get the value, and another to set it.) -- Jeff
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!mcvax!ukc!etive!aipna!jeff From: jeff@aipna.ed.ac.uk (Jeff Dalton) Newsgroups: comp.lang.misc Subject: Re: aGREeable features (was Re: Algol-68 down for the count) Message-ID: <391@aipna.ed.ac.uk> Date: 9 Dec 88 21:33:02 GMT References: <406@ubbpc.UUCP> <3688@hubcap.UUCP> <2070@garth.UUCP> <3289@uoregon.uoregon.edu> Reply-To: jeff@uk.ac.ed.aipna.UUCP (Jeff Dalton) Organization: Dept. of AI, Edinburgh, UK Lines: 13