#pragma once

#include <memory>

#include <cstdint>

struct Point { 
	uint64_t x,y;
};

struct Line {
	Point start, end;
};

template<typename T>
using Output = T* __restrict__;

namespace Input {
	struct Parser {
		Parser(const char* string, size_t len) noexcept;
		template<size_t N>
		inline Parser(const char (&string)[N]) noexcept
			: Parser(string, N) {}

		Parser(Parser&&) noexcept;
		Parser(const Parser&) = delete;

		Parser& operator=(Parser&&) noexcept;
		Parser& operator=(const Parser&) = delete;

		bool try_read_next(Output<Line>);

		virtual ~Parser();
	private:
		struct _impl;	

		std::unique_ptr<_impl> state_;
	};
}