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[patch] implement std::experimental::any

From: Jonathan Wakely <jwakely at redhat dot com>
To: libstdc++ at gcc dot gnu dot org, gcc-patches at gcc dot gnu dot org
Date: Tue, 10 Jun 2014 14:44:21 +0100
Subject: [patch] implement std::experimental::any
Authentication-results: sourceware.org; auth=none

This patch implements std::experimental::any from the Fundamentals TS,
including small-object optimisation, uses-allocator construction and
partial support for -fno-rtti (I should probably disable the
allocator-extended constructors when RTTI is disabled, or any_cast
doesn't work).

The allocator-extended copy constructor is not implemented, I don't
think it's possible!

It could probably do with some more tests before I commit it, but
posting for comments as I've had it sitting in my tree for some time
and I might as well share it.

Attachment: any.patch
Description: Text document

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