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Article View: comp.std.c++
Article #3627

Re: typename?

#3627
From: David Sachs
Date: Sat, 09 Mar 1996 04:34
29 lines
2036 bytes
willer@carolian.com (Steve Willer) writes:

>I saw in the brochure for Borland C++ 5.0 that it will include support for
>numerous new C++ features, including the "typename" keyword. Could anyone
>enlighten me as to what that is? I couldn't find it in the April WP.

>This isn't equivalent to the "typeof" keyword that I want so much, is it?

The typename keyword can be found in the draft standard. It is used
in template declarations to indicate that the following item is a
type. It is used in several places in the library definitions in a
construct like the following:

// class T is assumed to define a type xx
template <class T> class U
{
  typedef typename T::xx xx; // Makes xx same as type xx in class T
  ...
}
-- 
***** Listen Americans, the IRS is your taxer,  the IRS is one. *****
David Sachs - Fermilab, HPPC MS369 - P. O. Box 500 - Batavia, IL 60510
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Path: arc1-ca.pugleaf.net!cs.mu.OZ.AU!bounce-back
From: b91926@fsgi01.fnal.gov (David Sachs)
Newsgroups: comp.std.c++
Subject: Re: typename?
Date: 09 Mar 96 04:34:13 GMT
Organization: FERMILAB, Batavia, IL
Approved: fjh@cs.mu.oz.au
Message-ID: <4hps31$a4b@fsgi01.fnal.gov>
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