## CGAL::set_arity_4

### Definition

The function set_arity_4 is used to set the arity of a functor to four. The result is a functor that takes four arguments and calls the original functor with these arguments.

#include <CGAL/functional.h>

template < class F >
Set_arity< F, 4 >::Type
| set_arity_4 ( F f)
|  | returns a functor equivalent to f, but which has arity four. Requirement: F is a model for AdaptableFunctor.

### See Also

CGAL::Set_arity<F,a>
CGAL::set_arity_0
CGAL::set_arity_1
CGAL::set_arity_2
CGAL::set_arity_3
CGAL::set_arity_5
AdaptableFunctor