///
/// Returns `true` if the region is empty; otherwise returns `false.` An
/// empty region is a region that contains no points.
///
/// Example:
Returns `true` if the region is empty; otherwise returns `false.` An
empty region is a region that contains no points.


Returns ` true ` if the region is empty ; otherwise returns ` false . ` An empty region is a region that contains no points .
pub fn is_empty(&self) -> bool {
        let (obj_data, funcs) = self.get_region_obj_funcs();
        unsafe {
            let ret_val = ((*funcs).is_empty)(obj_data);
            ret_val
        }
    }
pub fn is_empty ( & self ) -> bool { let ( obj_data , funcs ) = self . get_region_obj_funcs ( ) ; unsafe { let ret_val = ( ( * funcs ) . is_empty ) ( obj_data ) ; ret_val } }
Returns `true` if the region is empty; otherwise returns `false.` An
empty region is a region that contains no points.
Returns ` true ` if the region is empty ; otherwise returns ` false . ` An empty region is a region that contains no points .
&self