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Class template flat_map_index

boost::interprocess::flat_map_index

Synopsis

// In header: <boost/interprocess/indexes/flat_map_index.hpp>

template<typename MapConfig> 
class flat_map_index : public flat_map_index_aux::index_t {
public:

  // public member functions
  flat_map_index(segment_manager_base *);
  void reserve(typename segment_manager_base::size_type);
  void shrink_to_fit();
};

Description

Index type based in flat_map. Just derives from flat_map and defines the interface needed by managed memory segments.

flat_map_index public member functions

  1. flat_map_index(segment_manager_base * segment_mngr);
    Constructor. Takes a pointer to the segment manager. Can throw.
  2. void reserve(typename segment_manager_base::size_type n);
    This reserves memory to optimize the insertion of n elements in the index.
  3. void shrink_to_fit();
    This frees all unnecessary memory.

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