Description Usage Arguments Value Author(s) See Also Examples
The operators may work only for hard classes (see and
). hard (op)
== TRUE
marks hard operators.
1 2 3 | hard(op)
hard (op) <- value
|
op |
the operator (function) |
value |
logical indicating the operator type |
logical indicating the type of operator. NULL
if the attribute is missing.
Claudia Beleites
1 2 3 |
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