Definition-option
Fixtype of optional definitions of relations.
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 → definition-option-none
- Represents that no definition-option is available, i.e., Nothing or None.
- :some → definition-option-some
- An available definition-option, i.e., Just val or Some val.
Subtopics
- Definition-option-fix
- Fixing function for definition-option structures.
- Definition-option-equiv
- Basic equivalence relation for definition-option structures.
- Definition-option-case
- Case macro for the different kinds of definition-option structures.
- Definition-option-some
- An available definition-option, i.e., Just val or Some val.
- Definition-option-none
- Represents that no definition-option is available, i.e., Nothing or None.
- Definition-optionp
- Recognizer for definition-option structures.