end.hpp

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// SPDX-License-Identifier: BSL-1.0
// SPDX-FileCopyrightText: Copyright (C) 2020 Tobias Hienzsch
 
#ifndef TETL_ITERATOR_END_HPP
#define TETL_ITERATOR_END_HPP
 
#include <etl/_cstddef/size_t.hpp>
 
namespace etl {
 
/// \brief Returns an iterator to the end (i.e. the element after the last
/// element) of the given container c or array array. These templates rely on
/// \ingroup iterator
template <typename C>
constexpr auto end(C& c) -> decltype(c.end())
{
    return c.end();
}
 
/// \ingroup iterator
template <typename C>
constexpr auto end(C const& c) -> decltype(c.end())
{
    return c.end();
}
 
/// \ingroup iterator
template <typename T, etl::size_t N>
constexpr auto end(T (&array)[N]) noexcept -> T*
{
    return &array[N];
}
 
/// \ingroup iterator
template <typename C>
constexpr auto cend(C const& c) noexcept(noexcept(end(c))) -> decltype(end(c))
{
    return end(c);
}
 
} // namespace etl
 
#endif // TETL_ITERATOR_END_HPP