#ifndef MARK_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#define MARK_H_62B23520_7C8E_11DE_8A39_0800200C9A66

#if defined(_MSC_VER) || \
	(defined(__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || (__GNUC__ >= 4))  // GCC supports "pragma once" correctly since 3.4
#pragma once
#endif

#include "yaml-cpp/dll.h"

namespace YAML {
struct YAML_CPP_API Mark {
	Mark() : pos(0), line(0), column(0) {}

	static const Mark null_mark() { return Mark(-1, -1, -1); }

	bool is_null() const { return pos == -1 && line == -1 && column == -1; }

	int pos;
	int line, column;

private:
	Mark(int pos_, int line_, int column_) : pos(pos_), line(line_), column(column_) {}
};
}  // namespace YAML

#endif	// MARK_H_62B23520_7C8E_11DE_8A39_0800200C9A66
