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Diffstat (limited to '3rdParty/Boost/src/boost/function_types/detail/to_sequence.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/function_types/detail/to_sequence.hpp | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/function_types/detail/to_sequence.hpp b/3rdParty/Boost/src/boost/function_types/detail/to_sequence.hpp new file mode 100644 index 0000000..828acd9 --- /dev/null +++ b/3rdParty/Boost/src/boost/function_types/detail/to_sequence.hpp @@ -0,0 +1,47 @@ + +// (C) Copyright Tobias Schwinger +// +// Use modification and distribution are subject to the boost Software License, +// Version 1.0. (See http://www.boost.org/LICENSE_1_0.txt). + +//------------------------------------------------------------------------------ + +#ifndef BOOST_FT_DETAIL_TO_SEQUENCE_HPP_INCLUDED +#define BOOST_FT_DETAIL_TO_SEQUENCE_HPP_INCLUDED + +#include <boost/mpl/eval_if.hpp> +#include <boost/mpl/identity.hpp> +#include <boost/mpl/is_sequence.hpp> +#include <boost/mpl/placeholders.hpp> +#include <boost/type_traits/add_reference.hpp> + +#include <boost/function_types/is_callable_builtin.hpp> + +namespace boost { namespace function_types { namespace detail { + +// wrap first arguments in components, if callable builtin type +template<typename T> +struct to_sequence +{ + typedef typename + mpl::eval_if + < is_callable_builtin<T> + , to_sequence< components<T> > + , mpl::identity< T > + >::type + type; +}; + +#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION +// reduce template instantiations, if possible +template<typename T, typename U> +struct to_sequence< components<T,U> > +{ + typedef typename components<T,U>::types type; +}; +#endif + +} } } // namespace ::boost::function_types::detail + +#endif + |