Exchanges temporal ordering predicates:
Date.before?↔Date.after?Time.before?↔Time.after?DateTime.before?↔DateTime.after?NaiveDateTime.before?↔NaiveDateTime.after?
These calls express the same polarity as < and > for calendar/time structs. Swapping the predicate tests whether a suite covers the ordering direction rather than only equality or same-side examples.
Direct, aliased, and imported calls are supported. An alias that resolves to another module does not match. This family is enabled by default.