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			101 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			101 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
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//  Copyright Daniel James 2005. Use, modification, and distribution are
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//  subject to the Boost Software License, Version 1.0. (See accompanying
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//  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#if !defined(BOOST_UNORDERED_TEST_HELPERS_METAFUNCTIONS_HEADER)
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#define BOOST_UNORDERED_TEST_HELPERS_METAFUNCTIONS_HEADER
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#include <boost/config.hpp>
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#include <boost/mpl/eval_if.hpp>
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#include <boost/mpl/identity.hpp>
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#include <boost/unordered_set.hpp>
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#include <boost/unordered_map.hpp>
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namespace test
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{
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    struct unordered_set_type { char x[100]; };
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    struct unordered_multiset_type { char x[200]; };
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    struct unordered_map_type { char x[300]; };
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    struct unordered_multimap_type { char x[400]; };
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    template <class V, class H, class P, class A>
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    unordered_set_type container_type(
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            boost::unordered_set<V, H, P, A> const*);
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    template <class V, class H, class P, class A>
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    unordered_multiset_type container_type(
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            boost::unordered_multiset<V, H, P, A> const*);
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    template <class K, class M, class H, class P, class A>
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    unordered_map_type container_type(
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            boost::unordered_map<K, M, H, P, A> const*);
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    template <class K, class M, class H, class P, class A>
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    unordered_multimap_type container_type(
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            boost::unordered_multimap<K, M, H, P, A> const*);
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    template <class Container>
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    struct is_set
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    {
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        BOOST_STATIC_CONSTANT(bool, value =
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                sizeof(container_type((Container const*)0))
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                    == sizeof(unordered_set_type) ||
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                sizeof(container_type((Container const*)0))
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                    == sizeof(unordered_multiset_type)
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                );
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    };
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    template <class Container>
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    struct is_map
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    {
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        BOOST_STATIC_CONSTANT(bool, value =
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                sizeof(container_type((Container const*)0))
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                    == sizeof(unordered_map_type) ||
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                sizeof(container_type((Container const*)0))
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                    == sizeof(unordered_multimap_type)
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                );
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    };
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    template <class Container>
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    struct has_unique_keys
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    {
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        BOOST_STATIC_CONSTANT(bool, value =
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                sizeof(container_type((Container const*)0))
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                    == sizeof(unordered_set_type) ||
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                sizeof(container_type((Container const*)0))
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                    == sizeof(unordered_map_type)
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                );
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    };
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    template <class Container>
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    struct has_equivalent_keys
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    {
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        BOOST_STATIC_CONSTANT(bool, value =
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                sizeof(container_type((Container const*)0))
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                    == sizeof(unordered_multiset_type) ||
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                sizeof(container_type((Container const*)0))
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                    == sizeof(unordered_multimap_type)
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                );
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    };
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    // Non Const Value Type
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    template <class Container>
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    struct map_non_const_value_type
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    {
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        typedef std::pair<
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            typename Container::key_type,
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            typename Container::mapped_type> type;
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    };
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    template <class Container>
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    struct non_const_value_type
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        : boost::mpl::eval_if<is_map<Container>,
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            map_non_const_value_type<Container>,
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            boost::mpl::identity<typename Container::value_type> >
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    {
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    };
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}
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#endif
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