98 lines
2.4 KiB
C++
98 lines
2.4 KiB
C++
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// Copyright Daniel Trebbien 2010.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or the copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_GRAPH_BUFFER_CONCEPTS_HPP
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#define BOOST_GRAPH_BUFFER_CONCEPTS_HPP 1
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#include <boost/concept_check.hpp>
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#include <boost/property_map/property_map.hpp>
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#include <boost/typeof/typeof.hpp>
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#include <boost/type_traits/add_const.hpp>
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#include <boost/type_traits/add_reference.hpp>
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#include <boost/type_traits/remove_reference.hpp>
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#include <boost/concept/detail/concept_def.hpp>
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namespace boost
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{
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BOOST_concept(Buffer, (B))
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{
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typedef typename B::value_type value_type;
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typedef typename B::size_type size_type;
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BOOST_CONCEPT_USAGE(Buffer)
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{
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typedef typename boost::add_reference< value_type >::type reference;
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BOOST_CONCEPT_ASSERT((Assignable< value_type >));
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buf.push(g_ct);
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buf.pop();
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reference t = buf.top();
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boost::ignore_unused_variable_warning(t);
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}
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void const_constraints(const B& cbuf)
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{
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typedef typename boost::add_const<
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typename boost::remove_reference< value_type >::type >::type&
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const_reference;
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const_reference ct = cbuf.top();
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s = cbuf.size();
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if (cbuf.empty())
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dummy = __LINE__;
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}
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int dummy;
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static const value_type g_ct;
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size_type s;
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B buf;
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};
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BOOST_concept(UpdatableQueue, (Q)) : Buffer< Q >
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{
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BOOST_CONCEPT_USAGE(UpdatableQueue) { q.update(g_ct); }
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void const_constraints(const Q& cq)
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{
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if (cq.contains(g_ct))
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dummy = __LINE__;
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}
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int dummy;
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static const typename Buffer< Q >::value_type g_ct;
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Q q;
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};
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BOOST_concept(KeyedUpdatableQueue, (Q)) : UpdatableQueue< Q >
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{
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typedef typename Q::key_type key_type;
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typedef typename Q::key_map key_map;
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BOOST_CONCEPT_USAGE(KeyedUpdatableQueue)
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{
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BOOST_CONCEPT_ASSERT((boost::ReadWritePropertyMapConcept< key_map,
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typename Buffer< Q >::value_type >));
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}
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void const_constraints(const Q& cq)
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{
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km = cq.keys();
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k = get(km, g_ct);
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}
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static const typename Buffer< Q >::value_type g_ct;
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key_type k;
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key_map km;
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Q q;
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};
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} // end `namespace boost`
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#include <boost/concept/detail/concept_undef.hpp>
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#endif // !BOOST_GRAPH_BUFFER_CONCEPTS_HPP
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