成员的完整列表，这些成员属于 apollo::common::math::LineSegment2d,包括所有继承而来的类成员

center() const	apollo::common::math::LineSegment2d	inline
cos_heading() const	apollo::common::math::LineSegment2d	inline
DebugString() const	apollo::common::math::LineSegment2d
DistanceSquareTo(const Vec2d &point) const	apollo::common::math::LineSegment2d
DistanceSquareTo(const Vec2d &point, Vec2d *const nearest_pt) const	apollo::common::math::LineSegment2d
DistanceTo(const Vec2d &point) const	apollo::common::math::LineSegment2d
DistanceTo(const Vec2d &point, Vec2d *const nearest_pt) const	apollo::common::math::LineSegment2d
end() const	apollo::common::math::LineSegment2d	inline
GetIntersect(const LineSegment2d &other_segment, Vec2d *const point) const	apollo::common::math::LineSegment2d
GetPerpendicularFoot(const Vec2d &point, Vec2d *const foot_point) const	apollo::common::math::LineSegment2d
HasIntersect(const LineSegment2d &other_segment) const	apollo::common::math::LineSegment2d
heading() const	apollo::common::math::LineSegment2d	inline
IsPointIn(const Vec2d &point) const	apollo::common::math::LineSegment2d
length() const	apollo::common::math::LineSegment2d
length_sqr() const	apollo::common::math::LineSegment2d
LineSegment2d()	apollo::common::math::LineSegment2d
LineSegment2d(const Vec2d &start, const Vec2d &end)	apollo::common::math::LineSegment2d
ProductOntoUnit(const Vec2d &point) const	apollo::common::math::LineSegment2d
ProjectOntoUnit(const Vec2d &point) const	apollo::common::math::LineSegment2d
rotate(const double angle)	apollo::common::math::LineSegment2d
sin_heading() const	apollo::common::math::LineSegment2d	inline
start() const	apollo::common::math::LineSegment2d	inline
unit_direction() const	apollo::common::math::LineSegment2d	inline