Sign-option
Fixtype of optional signs.
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 → sign-option-none
- Represents that no sign-option is available, i.e., Nothing or None.
- :some → sign-option-some
- An available sign-option, i.e., Just val or Some val.
Signs are defined in sign.
Subtopics
- Sign-option-fix
- Fixing function for sign-option structures.
- Sign-option-case
- Case macro for the different kinds of sign-option structures.
- Sign-option-equiv
- Basic equivalence relation for sign-option structures.
- Sign-option-some
- An available sign-option, i.e., Just val or Some val.
- Sign-option-none
- Represents that no sign-option is available, i.e., Nothing or None.
- Sign-optionp
- Recognizer for sign-option structures.
