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- /////////////////////////////////////////////////////////////////////////////
- //
- // (C) Copyright Ion Gaztanaga 2006-2013
- //
- // Distributed under the Boost Software License, Version 1.0.
- // (See accompanying file LICENSE_1_0.txt or copy at
- // http://www.boost.org/LICENSE_1_0.txt)
- //
- // See http://www.boost.org/libs/intrusive for documentation.
- //
- /////////////////////////////////////////////////////////////////////////////
- //[doc_entity_code
- #include <boost/intrusive/list.hpp>
- using namespace boost::intrusive;
- //A class that can be inserted in an intrusive list
- class entity : public list_base_hook<>
- {
- public:
- virtual ~entity();
- //...
- };
- //"some_entity" derives from "entity"
- class some_entity : public entity
- {/**/};
- //Definition of the intrusive list
- struct entity_list : list<entity>
- {
- ~entity_list()
- {
- // entity's destructor removes itself from the global list implicitly
- while (!this->empty())
- delete &this->front();
- }
- };
- //A global list
- entity_list global_list;
- //The destructor removes itself from the global list
- entity::~entity()
- { global_list.erase(entity_list::s_iterator_to(*this)); }
- //Function to insert a new "some_entity" in the global list
- void insert_some_entity()
- { global_list.push_back (*new some_entity(/*...*/)); }
- int main()
- {
- //Insert some new entities
- insert_some_entity();
- insert_some_entity();
- //global_list's destructor will free objects
- return 0;
- }
- //]
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