Subject: Re: [boost] [preprocessor] BOOST_PP_OVERLOAD not defined if variadic macros not supported.
From: Nathan Ridge (zeratul976_at_[hidden])
Date: 2013-04-06 16:54:35
> It would be very nice if BOOST_PP_OVERLOAD errored explicitly if variadic
> macros were not supported by the compiler, or at lease have a gentle
> reminder to the reader in BOOST_PP_OVERLOAD documentation (and, where
> appropriate, in other places) that variadic macros are only standard in
> c++11 and may not be supported on all compilers, hence one might get a
> BOOST_PP_OVERLOAD undeclared error.
The Boost preprocessor docs say under Topics -> Variadic Macros that:
"In the documentation, headers which have variadic macros,
macros themselves, have a notation of '(v)' appended to them.
variadic macros themselves this signifies that
be 1 for those variadic macros to be usable."
and BOOST_PP_OVERLOAD does indeed have a '(v)' after its name in the
However, I agree that this should be made more explicit, because just
looking at the page for BOOST_PP_OVERLOAD, one may not know what the
'(v)' signifies. Perhaps the '(v)' could be a link to the paragraph
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