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82 lines
2.7 KiB
C++
82 lines
2.7 KiB
C++
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// Copyright 2005-2009 Daniel James.
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// Distributed under 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/type_traits/is_same.hpp>
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#include <boost/mpl/not.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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/*
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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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*/
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template <class Container>
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struct is_set
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: public boost::is_same<
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BOOST_DEDUCED_TYPENAME Container::key_type,
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BOOST_DEDUCED_TYPENAME Container::value_type> {};
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template <class Container>
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struct is_map
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: public boost::mpl::not_<is_set<Container> > {};
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struct yes_type { char x[100]; };
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struct no_type { char x[200]; };
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template <class V, class H, class P, class A>
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yes_type has_unique_key_impl(
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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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no_type has_unique_key_impl(
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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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yes_type has_unique_key_impl(
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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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no_type has_unique_key_impl(
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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 has_unique_keys
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{
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BOOST_STATIC_CONSTANT(bool, value =
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sizeof(has_unique_key_impl((Container const*)0))
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== sizeof(yes_type));
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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(has_unique_key_impl((Container const*)0))
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== sizeof(no_type));
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};
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}
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#endif
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