state.hpp

 
#ifndef UFO_MAP_OCCUPANCY_STATE_HPP
#define UFO_MAP_OCCUPANCY_STATE_HPP
 
// UFO
#include <ufo/utility/enum.hpp>
 
// STL
#include <cstdint>
 
namespace ufo
{
enum class OccupancyState : std::int8_t { UNKNOWN = 0, FREE = -1, OCCUPIED = 1 };
 
constexpr inline bool operator==(OccupancyState lhs, OccupancyState rhs)
{
    return to_underlying(lhs) == to_underlying(rhs);
}
 
constexpr inline bool operator!=(OccupancyState lhs, OccupancyState rhs)
{
    return !(lhs == rhs);
}
 
constexpr inline bool operator<(OccupancyState lhs, OccupancyState rhs)
{
    return to_underlying(lhs) < to_underlying(rhs);
}
 
constexpr inline bool operator<=(OccupancyState lhs, OccupancyState rhs)
{
    return to_underlying(lhs) <= to_underlying(rhs);
}
 
constexpr inline bool operator>(OccupancyState lhs, OccupancyState rhs)
{
    return rhs < lhs;
}
 
constexpr inline bool operator>=(OccupancyState lhs, OccupancyState rhs)
{
    return rhs <= lhs;
}
}  // namespace ufo
 
#endif  // UFO_MAP_OCCUPANCY_STATE_HPP