Article View: comp.std.c++
Article #3501Re: Generic Object Callbacks
From: brian (b.c.) white
Date: Mon, 26 Feb 1996 16:07
Date: Mon, 26 Feb 1996 16:07
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In article <pgpmoose.199602221531.14635@isolde.mti.sgi.com>,
ian (i.) willmott <willmott@bnr.ca> wrote:
>In an article entitled "Q: Generic Callbacks -- Object->*func(...)"
>(reference <4fti32$p3p@bcarh8ab.bnr.ca>), bcwhite@bnr.ca asks
>"Does the C++ standard allow for a generic callback to be specified?
>Basically, I'd like to be able to pass an arbitrary object and
>function of that object to be called at some later time."
>What is needed is the ability to use member functions as callbacks
>without any constraint on the type of the object they are invoked on.
>This is possible in C++ only by using various implementation-dependent
>hacks to escape the type system, because the language does not provide
>any way to express such a construct.
Of course, what we're really trying to with all this is to pass _code_
(along with its context) as an object.
Brian
( bcwhite@bnr.ca )
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Path: arc1-ca.pugleaf.net!engnews1.Eng.Sun.COM!taumet!clamage From: "brian (b.c.) white" <bcwhite@bnr.ca> Newsgroups: comp.std.c++ Subject: Re: Generic Object Callbacks Date: 26 Feb 1996 16:07:58 GMT Organization: Bell-Northern Research Ltd. Approved: clamage@eng.sun.com (comp.std.c++) Message-ID: <4gsi2p$905@bcarh8ab.bnr.ca> References: <pgpmoose.199602221531.14635@isolde.mti.sgi.com> NNTP-Posting-Host: taumet.eng.sun.com Content-Identifier: Re: Generic O... X-Nntp-Posting-Host: bcarsd26.bnr.ca Originator: clamage@taumet