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Subject: Re: [boost] [config] What to call macros to indicate deprecated/removed components
From: Marcel Raad (raad_at_[hidden])
Date: 2017-04-16 12:13:41

Boost - Dev mailing list wrote
> I like BOOST_NO_FEATURE for features just outright removed.
> Removal probably doesn't require a C++ standard version in the macro
> since its effects are the same even if it happens many times over, for
> some reason. (e.g. If std::exchange was removed in C++20, then added
> back in C++2y, then removed in C++2z, there would be no difference
> Glen

+1. But it would also have exactly the same effect as
BOOST_NO_CXX14_STD_EXCHANGE, so perhaps that could also be used instead of


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