Class Less

libs/routing_common/maxspeed_conversion.hpp:182–190

  /// @note Used as map keys compare. Doesn't make real speed comparison.
  struct Less
  {
    bool operator()(SpeedInUnits const & l, SpeedInUnits const & r) const
    {
      if (l.m_units == r.m_units)
        return l.m_speed < r.m_speed;
      return l.m_units < r.m_units;
    }
  };

  bool IsNumeric() const;
  bool IsValid() const { return m_speed != kInvalidSpeed; }