CGAL 6.1.2 - 2D Arrangements: CGAL::Arr_oblivious_side_tag Struct Reference

CGAL 6.1.2 - 2D Arrangements

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CGAL::Arr_oblivious_side_tag Struct Reference
Reference Manual » Tags

`#include <CGAL/Arr_tags.h>`

## Definition

This type tag is used to indicate that the condition of a boundary side of the parameter space is irrelevant.

More precisely, when curves inserted into the arrangement are never expected to reach a boundary side, either left, right, bottom, or top, then the corresponding categories, namely, `Left_side_category`, `Right_side_category`, `Bottom_side_category`, and `Top_side_category`, nested in every geometry traits class, must be convertible to the type `Arr_oblivious_side_tag`.

`Arr_oblivious_side_tag` is an empty construct used for dispatching functions based on type of curves that induce the arrangement.

See also
  `Arr_open_side_tag`
  `Arr_closed_side_tag`
  `Arr_contracted_side_tag`
  `Arr_identified_side_tag`
  `AosBasicTraits_2`