Article View: comp.sw.components
Article #159Re: Assignment in Ada, etc.
From: William Thomas Wolfe, 2847
Date: Tue, 26 Sep 1989 19:19
Date: Tue, 26 Sep 1989 19:19
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2117 bytes
From ted@nmsu.edu (Ted Dunning):
> one of the problems is that an in parameter is still a reference which
> must be accounted for. since there is no mechanism to handle
> initialization distinct from assignment, it is difficult to write a
> robust reference counting collection mechanism.
OK, I agree. Nobody ever does this anyway, and I can't imagine
why anyone would want to.
> Actually, preprocessors do exist; I believe the Classic Ada product
> (which provides inheritance and dynamic binding to the Ada O-O types)
> works via preprocessing. However, they must be kept separate from
> any validated compiler system.
>
> and thus will never be standardized or recognized by the ada community
> at large?
There is a systematic revision process for the Ada language.
I will be happy to send an Ada 9X revision request form to
Mr. Dunning or anyone else who requests it.
> hmmmm..... seems to me that mister wolfe hasn't done much lisp
> programming if he thinks that lisp has no concept of data typing.
> perhaps he should read CLtL a bit. particularly chapter 2 (data
> types), chapter 4 (type specifiers), section 6.2 (data type
> predicates), chapter 9 (declarations), as well as chapters 12, 13, 14,
> 15, 16, 17, 18 and 19 which describe the builtin data types and type
> extension methods available to the common lisp programmer.
OK, I'm not up on the very latest versions of Lisp (of which I
hear that there are many). How about multitasking capabilities?
Bill Wolfe, wtwolfe@hubcap.clemson.edu
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Path: arc1-ca.pugleaf.net!utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!cs.utexas.edu!rutgers!gatech!hubcap!billwolf%hazel.cs.clemson.edu From: billwolf%hazel.cs.clemson.edu@hubcap.clemson.edu (William Thomas Wolfe, 2847 ) Newsgroups: comp.sw.components Subject: Re: Assignment in Ada, etc. Message-ID: <6592@hubcap.clemson.edu> Date: 26 Sep 89 19:19:44 GMT References: <TED.89Sep25230752@kythera.nmsu.edu> Sender: news@hubcap.clemson.edu Reply-To: billwolf%hazel.cs.clemson.edu@hubcap.clemson.edu Lines: 35