rbegin.hpp

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// SPDX-License-Identifier: BSL-1.0
 
#ifndef TETL_ITERATOR_RBEGIN_HPP
#define TETL_ITERATOR_RBEGIN_HPP
 
#include <etl/_iterator/end.hpp>
 
namespace etl {
 
template <typename Iter>
struct reverse_iterator;

template <typename Container>
constexpr auto rbegin(Container& c) -> decltype(c.rbegin())
{
    return c.rbegin();
}

template <typename Container>
constexpr auto rbegin(Container const& c) -> decltype(c.rbegin())
{
    return c.rbegin();
}

template <typename T, size_t N>
constexpr auto rbegin(T (&array)[N]) -> reverse_iterator<T*>
{
    return reverse_iterator<T*>(end(array));
}

template <typename Container>
constexpr auto crbegin(Container const& c) -> decltype(rbegin(c))
{
    return rbegin(c);
}
 
} // namespace etl
 
#endif // TETL_ITERATOR_RBEGIN_HPP