Maybe-backref
Option type; backref or nil.
This is an option type introduced by fty::defoption.
Note that defoption is just a wrapper for fty::defflexsum, so there are :none and :some member
types, a case macro, and so forth.
Member Types
- :none → maybe-backref-none
- Represents that no maybe-backref is available, i.e., Nothing or None.
- :some → maybe-backref-some
- An available maybe-backref, i.e., Just val or Some val.
Subtopics
- Maybe-backref-fix
- Fixing function for maybe-backref structures.
- Maybe-backref-case
- Case macro for the different kinds of maybe-backref structures.
- Maybe-backref-equiv
- Basic equivalence relation for maybe-backref structures.
- Maybe-backref-some
- An available maybe-backref, i.e., Just val or Some val.
- Maybe-backref-none
- Represents that no maybe-backref is available, i.e., Nothing or None.
- Maybe-backref-p
- Recognizer for maybe-backref structures.
