An abstract class that categories, elements, insertions, etc. fall under
AbstractCategories(..., data = NULL)AbstractCategory(..., data = NULL)
additional arguments to [
, ignored
For the constructor functions AbstractCategory
and
AbstractCategories
, you can either pass in attributes via ...
or you
can create the objects with a fully defined list
representation of
the objects via the data
argument. See the examples.
For the attribute getters and setters, an object of class AbstractCategory or AbstractCategories
For the [
methods, just as with list extract methods
Invalid argument to [
, but in the generic's signature
Invalid argument to [
, but in the generic's signature
For [<-
, the replacement AbstractCategory to insert