pair_hash.h

// Description: Hashing of std::pair
// Documentation: hashes.txt

#ifndef PASTELSYS_PAIR_HASH_H
#define PASTELSYS_PAIR_HASH_H

#include "pastel/sys/hashing.h"

namespace Pastel
{

    //! Computes hash for std::pair.
    class Pair_Hash
    {
    public:
        template <typename First, typename Second>
        hash_integer operator()(
            const std::pair<First, Second>& that) const
        {
            return combineHash(
                computeHash(that.first),
                computeHash(that.second));
        }
    };

}

#endif