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- /*-----------------------------------------------------------------------------+
- Copyright (c) 2008-2009: Joachim Faulhaber
- +------------------------------------------------------------------------------+
- Distributed under the Boost Software License, Version 1.0.
- (See accompanying file LICENCE.txt or copy at
- http://www.boost.org/LICENSE_1_0.txt)
- +-----------------------------------------------------------------------------*/
- #ifndef BOOST_ICL_TYPE_TRAITS_CODOMAIN_TYPE_OF_HPP_JOFA_100829
- #define BOOST_ICL_TYPE_TRAITS_CODOMAIN_TYPE_OF_HPP_JOFA_100829
- #include <set>
- #include <boost/mpl/has_xxx.hpp>
- #include <boost/mpl/bool.hpp>
- #include <boost/icl/type_traits/no_type.hpp>
- #include <boost/icl/type_traits/is_container.hpp>
- namespace boost{ namespace icl
- {
- namespace detail
- {
- BOOST_MPL_HAS_XXX_TRAIT_DEF(codomain_type)
- }
- template <class Type>
- struct has_codomain_type
- : mpl::bool_<detail::has_codomain_type<Type>::value>
- {};
- template <class Type, bool has_codomain_type, bool is_std_set>
- struct get_codomain_type;
- template <class Type>
- struct get_codomain_type<Type, false, false>
- {
- typedef no_type type;
- };
- template <class Type, bool is_std_set>
- struct get_codomain_type<Type, true, is_std_set>
- {
- typedef typename Type::codomain_type type;
- };
- template <class Type>
- struct get_codomain_type<Type, false, true>
- {
- typedef typename Type::value_type type;
- };
- template <class Type>
- struct codomain_type_of
- {
- typedef typename
- get_codomain_type< Type
- , has_codomain_type<Type>::value
- , is_std_set<Type>::value
- >::type type;
- };
- }} // namespace boost icl
- #endif
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