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[Bug c++/26099] support for type traits is not available
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 4 Feb 2006 23:22:42 -0000
- Subject: [Bug c++/26099] support for type traits is not available
- References: <bug-26099-3238@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from pinskia at gcc dot gnu dot org 2006-02-04 23:22 -------
(In reply to comment #2)
> When I saw "tr1" in the path, I assumed this referred to the technical report
> of the standards committee. I recognize a technical report is not a standard,
> thus I am simply inquiring if there is interest in adding this feature.
Yes TR1 refers to the technical report which is really just the library part.
The interest should really go to the committe than one implementation. Now GCC
can add this as an extensions and that can help the discussion/decision to add
it to the standard. But GCC's view of extensions have changed over the years
and right now it is that extensions are bad and should be avoided.
I am not saying this is not useful after your description of how to speed up
some containers.
Now the book keeping is not that expensive as it is just an extra bool for each
slot and you can hide most of the book keeping in a secondary class.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26099