runs a session concurrently
(actionExtensions: StringAdd).self
(actionExtensions: StringFormat).self
(actionExtensions: ArrowAssoc[ActionExtensions[T, R]]).x
(Since version 2.10.0) Use leftOfArrow
instead
(actionExtensions: Ensuring[ActionExtensions[T, R]]).x
(Since version 2.10.0) Use resultOfEnsuring
instead
Add operations to synchronous actions only. Limited to Slick by requiring a ReadWriteSelect.