Kernel::IsHorizontal_2

A model for this must provide:

bool fo.operator() ( Kernel::Line_2 o)
returns true iff o is horizontal.

bool fo.operator() ( Kernel::Ray_2 o)
returns true iff o is horizontal.

bool fo.operator() ( Kernel::Segment_2 o)
returns true iff o is horizontal.

Refines

AdapatableFunctor (with one argument)

See Also

CGAL::Line_2<Kernel>
CGAL::Ray_2<Kernel>
CGAL::Segment_2<Kernel>