Point at the left-end of the segment

Property definitions

geometry $ ILine :: point_left
	# Point at the left-end of the segment
	fun point_left: P is abstract
lib/geometry/points_and_lines.nit:171,2--172,30

geometry $ Line :: point_left
	redef var point_left
lib/geometry/points_and_lines.nit:184,2--21