ReferenceHolder.hpp

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#ifndef ESTD_REFERENCEHOLDER_HPP_
#define ESTD_REFERENCEHOLDER_HPP_

namespace estd
{

template<typename T>
class ReferenceHolder
{
public:

    constexpr explicit ReferenceHolder(T& reference) noexcept :
            reference_{reference}
    {

    }

    constexpr operator T&() const noexcept
    {
        return reference_;
    }

    constexpr T& get() const noexcept
    {
        return reference_;
    }

private:

    T& reference_;
};

}   // namespace estd

#endif  // ESTD_REFERENCEHOLDER_HPP_