waiver: A waiver object.
| waiver | R Documentation |
A waiver object.
Description
A waiver is a "flag" object, similar to NULL, that indicates the
calling function should just use the default value. It is used in certain
functions to distinguish between displaying nothing (NULL) and
displaying a default value calculated elsewhere (waiver()).
is.waiver() reports whether an object is a waiver.
Usage
waiver()
is.waiver(x)
Arguments
x |
An object to test |
