poc-links/BFSIterator.h

#pragma once

#include "iterators/BaseIterator.h"

template <typename T>
struct IteratorForward : public BaseIterator<T> {
	explicit IteratorForward(T* ptr) : Iterator<T>(first(ptr)) {}

	static T* first(T* node) {
		return node;
	}

	static T* next(T* node) {
		return node ? node->get_next() : nullptr;
	}

	Iterator<T>& operator++() override {
		this->current = next(this->current);
		return *this;
	}
};