union-class {externalVector} | R Documentation |
The class "listOrNull" is a union of the classes "list" and "NULL". The class "listOrNull" is a union of the classes "list" and "NULL". The class "vectorNamesType" is a union of the classes "character", "NULL" and "externalVectorWithStorage".
These are virtual classes: no objects may be created from them.
No methods defined with class "listOrNull", "integerOrNull" or "vectorNamesType" in the signature.