Article View: comp.lang.functional
Article #594Re: Type checking with physical dimensions
From: Deryk Barker
Date: Mon, 28 Sep 1992 19:22
Date: Mon, 28 Sep 1992 19:22
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In article <DLB.92Sep28100432@fanny.wash.inmet.com> dlb@fanny.wash.inmet.com (David Barton) writes: >I was going to respond to this by Email; however, since it might be of >general interest, I am responding to the list. > >In article <14724@goanna.cs.rmit.oz.au> ok@goanna.cs.rmit.oz.au >(Richard A. O'Keefe) writes: > > Has anyone extended a Hindley/Milner-style type checker to check > physical dimensions (mass,length,time,current,&c)? I have my own ideas > about how to do it, but before I start coding and writing, I'd like to > know what has already been done. (I already know that it is possible to > combine polymorphism with dimension checking; I _think_ I can see a way > to combine them with integer/float overloading; I believe that automatic > scaling can be done in a functional language but not in a logic programming > language, but don't ask me to prove it yet.) > >We are desigining a microwave hardware description language based upon >Haskell. All this just to cook food? (Sorry, I couldn't resist it!) Deryk Barker, Computer Science Dept., Camosun College, Victoria B.C.
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Newsgroups: comp.lang.functional Path: arc1-ca.pugleaf.net!sparky!uunet!gatech!destroyer!ubc-cs!news.UVic.CA!spang.Camosun.BC.CA!dbarker From: dbarker@spang.Camosun.BC.CA (Deryk Barker) Subject: Re: Type checking with physical dimensions Message-ID: <1992Sep28.192253.2663@spang.Camosun.BC.CA> Organization: Camosun College, Victoria B.C, Canada References: <14724@goanna.cs.rmit.oz.au> <DLB.92Sep28100432@fanny.wash.inmet.com> Date: Mon, 28 Sep 1992 19:22:53 GMT Lines: 22