A range of operators use a query as their scope, returning a List-type list of (unique) $Path values.
Such operators are:
- != (inequality)
- <= (less than or equal to)
- < (less than)
- | (query logical OR join)
- > (greater than)
- find(query)
- >= (greater than or equal to)
- & (query logical AND join)
- == (equality)
