ALGO: add TODO note in PolygonIntersection about Zippers

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hasufell 2014-11-16 04:49:34 +01:00
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@ -13,6 +13,7 @@ import MyPrelude
import QueueEx import QueueEx
-- TODO: probably use a zipper.
-- |Describes a point on the convex hull of the polygon. -- |Describes a point on the convex hull of the polygon.
-- In addition to the point itself, both it's predecessor and -- In addition to the point itself, both it's predecessor and
-- successor are saved for convenience. -- successor are saved for convenience.