[/============================================================================
  Boost.Geometry (aka GGL, Generic Geometry Library)

  Copyright (c) 2009-2011 Barend Gehrels, Amsterdam, the Netherlands.
  Copyright (c) 2009-2011 Mateusz Loskot, London, UK.
  Copyright (c) 2009-2011 Bruno Lalande, Paris, France.

  Use, modification and distribution is subject to the Boost Software License,
  Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  http://www.boost.org/LICENSE_1_0.txt)
=============================================================================/]

[def __applies_unique__ Removes all consecutive duplicate points]

[heading Behavior]
[table
[[Case] [Behavior] ]
[[__point__][__does_nothing__]]
[[__segment__][__does_nothing__]]
[[__box__][__does_nothing__]]
[[__linestring__][__applies_unique__]]
[[__ring__][__applies_unique__]]
[[__polygon__][__applies_unique__ in all rings]]
[[__multi_point__][__does_nothing__. Even if two equal points happen to be stored consecutively, they are kept]]
[[__multi_linestring__][__applies_unique__ in all contained linestrings]]
[[__multi_polygon__][__applies_unique__ in all contained polygons (all rings)]]
]

[tip Conforms to std::unique functionality. It is not defined within OGC or ISO]

[heading Complexity]
Linear

[heading Example]
[unique]
[unique_output]