@implementation SomeClass
- (void)someMethod
{
	   enumerateItems     (
  ^(  NSInteger   section) {
   } );
}

- (void)someOtherMethod
{
	items.enumerateItems (
    ^(NSInteger section, NSInteger index, id<NSObject> object, BOOL *stop) {
      enumerator(index, object, TypeInsert);
    },
    nil,
		some_param
  );
}
@end

