Hash.h

Go to the documentation of this file.

/*---------------------------------------------------------------------\
|                          ____ _   __ __ ___                          |
|                         |__  / \ / / . \ . \                         |
|                           / / \ V /|  _/  _/                         |
|                          / /__ | | | | | |                           |
|                         /_____||_| |_| |_|                           |
|                                                                      |
\---------------------------------------------------------------------*/
#ifndef ZYPP_BASE_HASH_H
#define ZYPP_BASE_HASH_H

#include <iosfwd>
#include <unordered_set>
#include <unordered_map>

#define ZYPP_DEFINE_ID_HASHABLE(C)              \
namespace std {                                 \
  template<class Tp> struct hash;               \
  template<> struct hash<C>                     \
  {                                             \
    size_t operator()( const C & __s ) const    \
    { return __s.id(); }                        \
  };                                            \
}

namespace std
{
  template<class D>
  inline unordered_set<D> * rwcowClone( const std::unordered_set<D> * rhs )
  { return new std::unordered_set<D>( *rhs ); }

  template<class K, class V>
  inline std::unordered_map<K,V> * rwcowClone( const std::unordered_map<K,V> * rhs )
  { return new std::unordered_map<K,V>( *rhs ); }
} // namespace std
#endif // ZYPP_BASE_HASH_H