ReverseAdaptor.hpp

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#ifndef ESTD_REVERSEADAPTOR_HPP_
#define ESTD_REVERSEADAPTOR_HPP_

namespace estd
{

template<typename T>
class ReverseAdaptor
{
public:

    constexpr explicit ReverseAdaptor(T& container) noexcept :
            container_{container}
    {

    }

    typename T::reverse_iterator begin() const noexcept
    {
        return container_.rbegin();
    }

    typename T::reverse_iterator end() const noexcept
    {
        return container_.rend();
    }

private:

    T& container_;
};

template<typename T>
ReverseAdaptor<T> makeReverseAdaptor(T& container)
{
    return ReverseAdaptor<T>{container};
}

}   // namespace estd

#endif  // ESTD_REVERSEADAPTOR_HPP_