Subject: Re: [boost] [result_of] Regression: compilation errors on C++03 compilers when defining BOOST_RESULT_OF_USE_DECLTYPE
From: Mathias Gaunard (mathias.gaunard_at_[hidden])
Date: 2012-04-25 17:12:00
On 25/04/12 15:28, Michel Morin wrote:
> Eric Niebler wrote:
>> On 4/24/2012 3:14 PM, Michel Morin wrote:
>>> If we define BOOST_RESULT_OF_USE_DECLTYPE,
>>> boost::result_of tries to use decltype-based implementation
>>> even on C++03 compilers. This causes compilation errors
>>> and it is a regression on C++03 compilers.
>>> Is it intentional change?
>> I did intend this change.
> I think this breaks too much code. Every code that
> (directly or indirectly) includes boost::result_of
> with `#define BOOST_RESULT_OF_USE_DECLTYPE`
> breaks in C++03.
Why would you ask result_of to use decltype when you don't have it?
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