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Subject: Re: [Boost-users] BOOST_RESULT_OF_USE_DECLTYPE and Boost.Optional ?
From: Eric Niebler (eric_at_[hidden])
Date: 2012-05-27 17:27:27
On 5/27/2012 11:32 AM, John M. Dlugosz wrote:
> I turned on BOOST_RESULT_OF_USE_DECLTYPE and used boost::result_of
> because the std::tr1::result_of that comes with VS10 doesn't use
> declspec at all and thus doesn't work right with lambda functions.
>
> This passes my unit tests, but fails on a piece of code that has a
> function returning an instantiation of boost::optional.
>
> It seems confused as to whether the value held in the optional is
> as-specified or has a reference added to it.
>
> I wonder if this is a specific issue with optional that might be
> addressed/worked-around/patched, or perhaps there is a way to enable
> declspec-based testing just for the code that wanted it and not globally?
Your best bet is to file a bug against boost.optional. Be sure to
include a small, complete example that demonstrates the problem.
Disclaimer: I am not the maintainer of boost.optional.
-- Eric Niebler BoostPro Computing http://www.boostpro.com
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