feedc0de/boost_unordered
1
0
Fork 0
forked from boostorg/unordered
Code Pull Requests Activity

Unordered: Manually write out some overloads for emplace.

Browse Source 
Clang creates horrific error messages for Boost.Preprocessor based code,
so for small number of arguments manually write out a few important
functions. Not doing this everywhere.

[SVN r75743]
This commit is contained in:
Daniel James
2011-11-30 08:21:38 +00:00
parent 2507fd78e3
commit 684e40464f
3 changed files with 266 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/boost/unordered/detail/emplace_args.hpp
+26 -1
View File
@@ -379,7 +379,32 @@ BOOST_UNORDERED_CONSTRUCT_FROM_TUPLE(10, std)
args.a)); \
}
BOOST_PP_REPEAT_FROM_TO(1, BOOST_UNORDERED_EMPLACE_LIMIT,
template <typename T, typename A0>
inline void construct_impl(T* address, emplace_args1<A0> const& args)
{
new((void*) address) T(boost::forward<A0>(args.a0));
}
template <typename T, typename A0, typename A1>
inline void construct_impl(T* address, emplace_args2<A0, A1> const& args)
{
new((void*) address) T(
boost::forward<A0>(args.a0),
boost::forward<A1>(args.a1)
);
}
template <typename T, typename A0, typename A1, typename A2>
inline void construct_impl(T* address, emplace_args3<A0, A1, A2> const& args)
{
new((void*) address) T(
boost::forward<A0>(args.a0),
boost::forward<A1>(args.a1),
boost::forward<A2>(args.a2)
);
}
BOOST_PP_REPEAT_FROM_TO(4, BOOST_UNORDERED_EMPLACE_LIMIT,
BOOST_UNORDERED_CONSTRUCT_IMPL, _)
#undef BOOST_UNORDERED_CONSTRUCT_IMPL