add_lvalue_reference.hpp

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// SPDX-License-Identifier: BSL-1.0
 
#ifndef TETL_TYPE_TRAITS_ADD_LVALUE_REFERENCE_HPP
#define TETL_TYPE_TRAITS_ADD_LVALUE_REFERENCE_HPP
 
#include <etl/_type_traits/type_identity.hpp>
 
namespace etl {
 
namespace detail {
 
template <typename T>
auto try_add_lvalue_reference(int) -> type_identity<T&>;
 
template <typename T>
auto try_add_lvalue_reference(...) -> type_identity<T>;
 
} // namespace detail

template <typename T>
struct add_lvalue_reference : decltype(detail::try_add_lvalue_reference<T>(0)) { };

template <typename T>
using add_lvalue_reference_t = typename add_lvalue_reference<T>::type;
 
} // namespace etl
 
#endif // TETL_TYPE_TRAITS_ADD_LVALUE_REFERENCE_HPP