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[Jorascu Marian] iterators_task_2 #571

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[Jorascu Marian] iterators_task_2 #571

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26 changes: 26 additions & 0 deletions iterators_task_2/student/include/impl.h
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Original file line number Diff line number Diff line change
Expand Up @@ -5,11 +5,36 @@ template <class Container>
struct accumulator
{
/** @todo Iterator traits*/
using iterator_category = typename std::output_iterator_tag;
using difference_type = void;
using pointer = void;
using reference = void;
using value_type = void;

/** @todo Constructor with container*/
accumulator(Container& container) : container{ container } {}

/** @todo lvalue writing operator*/
template<typename T>
accumulator<Container>& operator=(const T& value) {
container.insert(container.end(), value.begin(), value.end());
return *this;
}

/** @todo rvalue writing operator*/
template<typename T>
accumulator<Container>& operator=(T&& value) {
std::move(value.begin(), value.end(), std::back_inserter(container));
return *this;
}

/** @todo Iterator operations */
accumulator<Container>& operator*() { return *this; }
accumulator<Container>& operator++() { return *this; }
accumulator<Container>& operator--() { return *this; }

private:
Container& container;
};

/**
Expand All @@ -18,4 +43,5 @@ struct accumulator
template<class Container>
accumulator<Container> make_accumulator(Container& container)
{
return accumulator<Container>(container);
}