Add a rule having the specified value.
Add a rule having the specified value to the set of (unique) rules maintained by this object. Return the number of rules added (i.e., 1 on success and 0 if a rule with the same value is already present).
number of rules added (1 on success, 0 if already present)
| Name | Description |
|---|---|
| value | rule to add to the set of unique rules |