union-class {externalVector}R Documentation

Some useful class unions

Description

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".

Objects from the Class

These are virtual classes: no objects may be created from them.

Methods

No methods defined with class "listOrNull", "integerOrNull" or "vectorNamesType" in the signature.


[Package externalVector version 1.0.14 Index]