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

template <class TElem>
class OneToOneLink : public BaseLink<TElem> {
public:
	using ElemPtr = std::shared_ptr<TElem>;

	OneToOneLink(ElemPtr e) : BaseLink<TElem>(e) {}

	void addChild(const ElemPtr& child) override {
		if (!this->children_.empty())
			throw std::logic_error("Too many children");

		BaseLink<TElem>::addChild(child);
	}
};