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