#pragma once
#include "links/BaseLink.h"
#include <stdexcept>

template <class TElem>
class OneToOneLink : public BaseLink<TElem> {
public:
	OneToOneLink(std::shared_ptr<TElem> e) : BaseLink<TElem>(e) {}
	void addChild(const std::shared_ptr<TElem>& child) override {
		if (!this->children_.empty())
			throw std::logic_error("OneToOneLink cannot have more than one child");
		BaseLink<TElem>::addChild(child);
	}
};