===
[use] namespace with path and no names
===
use base.List
---
(unison
    (use_clause
        (use)
        (namespace (path) (regular_identifier))))

===
[use] operators
===
use Universal == < > >=
---
(unison (use_clause (use) (namespace (regular_identifier)) (operator) (operator) (operator) (operator)))

===
[use] name with tick mark
===
use Search lubIndexOf'
---
(unison (use_clause (use) (namespace (regular_identifier)) (regular_identifier)))

===
[use] namespace with a path component and an operator name
===
use base.List ++
---
(unison (use_clause (use) (namespace (path) (regular_identifier)) (operator)))
