\begin{ccRefClass} {Feature_dimension<T, K>}

\ccDefinition
The class \ccRefName\ allows to retrieve the geometric dimension of a type \ccc{T}
in a kernel \ccc{K}.

\ccParameters
The parameter \ccc{K} has the default value \ccc{Kernel_traits<T>::Kernel}.

\ccInclude{CGAL/Dimension.h}

\ccConstants

\ccVariable{static const int value;}{The dimension value as a compile-time
integral constant. It is implemented as \ccc{K::Feature_dimension<T>::type::value}.
It exists only when the dimension is a compile-time constant.}

\ccTypes

\ccNestedType{type}{Either \ccc{Dimension_tag<dim>} if the dimension is a
compile-time constant of value \ccc{dim}, or \ccc{Dynamic_dimension_tag}
otherwise.  It is implemented as \ccc{K::Feature_dimension<T>::type}. }

\ccExample

The following retrieves the dimension of a point type.

\begin{cprog}
  typedef K::Point_2 Point;
  int dimension = Feature_dimension<Point, K>::value;
  assert(dimension == 0);
\end{cprog} 

\ccSeeAlso
\ccRefConceptPage{CGAL::Dimension_tag<int dim>} \\
\ccRefConceptPage{CGAL::Dynamic_dimension_tag} \\
\ccRefConceptPage{CGAL::Ambient_dimension<T, K>}

\end{ccRefClass}