add_lvalue_reference.hpp

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#ifndef BSL_ADD_LVALUE_REFERENCE_HPP
#define BSL_ADD_LVALUE_REFERENCE_HPP

#include "cstdint.hpp"
#include "type_identity.hpp"

namespace bsl
{
    namespace details
    {
        template<typename T>
        auto try_add_lvalue_reference(bsl::int32 ignored) noexcept -> type_identity<T &>;

        template<typename T>
        auto try_add_lvalue_reference(bool ignored) noexcept -> type_identity<T>;
    }

    template<typename T>
    struct add_lvalue_reference final
    {
        using type = typename decltype(details::try_add_lvalue_reference<T>(0))::type;
    };

    template<typename T>
    using add_lvalue_reference_t = typename add_lvalue_reference<T>::type;
}

#endif