remove_extent.hpp

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// SPDX-License-Identifier: BSL-1.0
// SPDX-FileCopyrightText: Copyright (C) 2019 Tobias Hienzsch
 
#ifndef TETL_TYPE_TRAITS_REMOVE_EXTENT_HPP
#define TETL_TYPE_TRAITS_REMOVE_EXTENT_HPP
 
#include <etl/_cstddef/size_t.hpp>
 
namespace etl {
 
/// \brief If T is an array of some type X, provides the member typedef type
/// equal to X, otherwise type is T. Note that if T is a multidimensional array,
/// only the first dimension is removed. The behavior of a program that adds
/// specializations for remove_extent is undefined.
template <typename T>
struct remove_extent {
    using type = T;
};
 
template <typename T>
struct remove_extent<T[]> {
    using type = T;
};
 
template <typename T, size_t N>
struct remove_extent<T[N]> {
    using type = T;
};
 
template <typename T>
using remove_extent_t = typename remove_extent<T>::type;
 
} // namespace etl
 
#endif // TETL_TYPE_TRAITS_REMOVE_EXTENT_HPP