mathematics/linalg/internal/implementation/operations/Parameter.h

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/*
 * Copyright (c) The Shogun Machine Learning Toolbox
 * Written (w) 2015 Soumyajit De
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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 */

#ifndef PARAMETER_IMPL_H_
#define PARAMETER_IMPL_H_

#include <string>
#include <functional>

namespace shogun
{

namespace linalg
{

namespace ocl
{

struct Parameter
{

    Parameter(const char* name) : m_name(name)
    {
    }

    template <typename T>
    Parameter& operator=(const T& value)
    {
        to_string=[&value]() { return std::to_string(value); };
        return *this;
    }

    Parameter& operator=(const char* value)
    {
        to_string=[&value]() { return std::string(value); };
        return *this;
    }

    Parameter& operator=(std::string value)
    {
        to_string=[&value]() { return value; };
        return *this;
    }

    operator std::string() const
    {
        return to_string();
    }

    std::function<std::string()> to_string;

    std::string m_name;
};

}

}

}
#endif // PARAMETER_IMPL_H_