hash_set.hh

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#ifndef _HASH_SET_HH_
#define _HASH_SET_HH_
 
#ifndef USE_STD_HASH
#include <ddd/google/sparse_hash_set>
#else
#include <unordered_set>
#endif
 
#include "ddd/util/configuration.hh"
 
namespace d3 {
 
template
    <
      typename Key
    , typename Hash = d3::util::hash<Key>
    , typename Compare = d3::util::equal<Key> 
    , typename Allocator = typename conf::allocator<Key>::type
    >
struct hash_set
{
#ifndef USE_STD_HASH
  typedef typename google::sparse_hash_set<Key,Hash,Compare,Allocator> type;
#else
  typedef typename std::unordered_set<Key,Hash,Compare,Allocator> type;
#endif
};
    
} // namespace d3
 
#endif /* _SET_HH_ */