slotOp                 package:base                 R Documentation

Extract Slots

Description:

     Extract tbe contents of a slot in a object with a formal (S4)
     class structure.

Usage:

     object@name

Arguments:

  object: An object from a formally defined (S4) class.

    name: The character-string name of the slot.

Details:

     This operator supports the formal classes of package 'methods',
     and is enabled only when 'methods' is loaded (as per default). 
     See 'slot' for further details.

     As from R 2.7.0 it is checked that 'object' is an S4 object (see
     'isS4'), and as from R 2.8.0 it is an error to attempt to use '@'
     on any other object. (There is an exception for name '.Data' for
     internal use only.)

     If 'name' is not a slot name, an error is thrown.

Value:

     The current contents of the slot.

See Also:

     'Extract', 'slot'

