sized.hpp

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/* This file is part of OpenKalman, a header-only C++ library for
 * Kalman filters and other recursive filters.
 *
 * Copyright (c) 2024-2025 Christopher Lee Ogden <ogden@gatech.edu>
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/.
 */

#ifndef OPENKALMAN_COLLECTIONS_SIZED_HPP
#define OPENKALMAN_COLLECTIONS_SIZED_HPP

#include "basics/basics.hpp"
#include "collections/functions/get_size.hpp"

namespace OpenKalman::collections
{
#ifdef __cpp_lib_ranges
  template<typename T>
  concept sized =
#else
  template<typename T>
  constexpr bool sized =
#endif
    values::index<decltype(collections::get_size(std::declval<T>()))>;

}

#endif