singleDirectionIterator.h

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#ifndef SINGLEDIRECTIONITERATOR_H
#define SINGLEDIRECTIONITERATOR_H
 
#include "stepIterator.h"

 
namespace original {

    template<typename TYPE>
    class singleDirectionIterator : public stepIterator<TYPE> {
    protected:
        explicit singleDirectionIterator(wrapper<TYPE>* ptr);
 
    public:
        singleDirectionIterator(const singleDirectionIterator& other);

        singleDirectionIterator& operator=(const singleDirectionIterator& other);

        singleDirectionIterator* clone() const override;
    };
}
 
    template<typename TYPE>
    original::singleDirectionIterator<TYPE>::singleDirectionIterator(wrapper<TYPE>* ptr) : stepIterator<TYPE>(ptr) {}
 
    template<typename TYPE>
    original::singleDirectionIterator<TYPE>::singleDirectionIterator(const singleDirectionIterator &other)
        : stepIterator<TYPE>(nullptr) {
        this->operator=(other);
    }
 
    template<typename TYPE>
    auto original::singleDirectionIterator<TYPE>::operator=(
        const singleDirectionIterator &other) -> singleDirectionIterator& {
        if (this == &other) {
            return *this;
        }
        stepIterator<TYPE>::operator=(other);
        return *this;
    }
 
    template<typename TYPE>
    auto original::singleDirectionIterator<TYPE>::clone() const -> singleDirectionIterator* {
        return new singleDirectionIterator(*this);
    }
 
#endif //SINGLEDIRECTIONITERATOR_H