Utilities.h

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/*
 * MIT License
 *
 * Copyright (c) 2018 PulsarSearchSoft
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wall"
#pragma GCC diagnostic ignored "-Wpragmas"
#pragma GCC diagnostic ignored "-Wunused-parameter"
#pragma GCC diagnostic ignored "-Wunused-variable"
#include <boost/units/quantity.hpp>
#pragma GCC diagnostic pop
#include <functional>

#ifndef PSS_ASTROTYPES_UNITS_UTILITIES_H
#define PSS_ASTROTYPES_UNITS_UTILITIES_H

namespace std {

template<typename UnitsType, typename DataType>
struct hash<boost::units::quantity<UnitsType, DataType>>
{
    std::size_t operator()(const boost::units::quantity<UnitsType, DataType> & quantity) const
    {
        return std::hash<DataType>()(quantity.value());
    }
};

} // namespace std

#endif // PSS_ASTROTYPES_UNITS_UTILITIES_H