VersionsNull             package:Biobase             R Documentation

Class "VersionsNull"

Description:

     A class used to represent the `version' of unversioned objects.
     Useful primarily for method dispatch.

Methods:

     The following are defined; package developers may write additional
     methods.

     'new("VersionsNull", ...)' Create a new 'VersionsNull-class'
          instance, ignoring any additional arguments.

     'show(object)' Display ``No version''.

Author(s):

     Biocore

See Also:

     'classVersion'

Examples:

     obj <- new("VersionsNull")
     obj

     obj <- new("VersionsNull", A="1.0.0") # warning
     obj

