#pragma once

#include <sstream>

namespace NeuralNetwork {
	class Stringifiable {
		public:

			virtual ~Stringifiable() {
			}

			/**
			 * @brief This is a virtual function for class
			 */
			virtual void stringify(std::ostream& out) const =0;

			virtual std::string stringify() final {
				std::ostringstream s;
				stringify(s);
				return s.str();
			}

	};

	static std::ostream& operator<<(std::ostream& o, const Stringifiable& n) {
		n.stringify(o);
		return o;
	}
}