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[v3] fix typos in ptr_traits.h and specialize for pointer adapter

From: Jonathan Wakely <jwakely dot gcc at gmail dot com>
To: "libstdc++" <libstdc++ at gcc dot gnu dot org>, gcc-patches <gcc-patches at gcc dot gnu dot org>
Date: Sun, 5 Jun 2011 21:38:57 +0100
Subject: [v3] fix typos in ptr_traits.h and specialize for pointer adapter

2011-06-05  Jonathan Wakely  <jwakely.gcc@gmail.com>

        * include/bits/ptr_traits.h (pointer_traits): Fix typos.
        * include/ext/pointer.h (pointer_traits): Add partial specialization
        for _Pointer_adapter.

This fixes a couple of dumb mistakes in pointer_traits (type vs __type
and not actually declaring friends as friends) and adds a
specialization for __gnu_cxx::_Pointer_adapter, which is needed
because the default specialization gives the wrong result for
pointer_traits::rebind, preventing _Pointer_adapter from being used by
containers using the full C++0x allocator API (which I'm currently
working on.)

Tested x86_64-linux and committed to trunk.

Attachment: ptr_traits.txt
Description: Text document

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