Tree-option
Union of trees and 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 → tree-option-none
- Represents that no tree-option is available, i.e., Nothing or None.
- :some → tree-option-some
- An available tree-option, i.e., Just val or Some val.
Subtopics
- Tree-optionp
- Recognizer for tree-option structures.
- Tree-option-fix
- Fixing function for tree-option structures.
- Tree-option-case
- Case macro for the different kinds of tree-option structures.
- Tree-option-equiv
- Basic equivalence relation for tree-option structures.
- Tree-option-some
- An available tree-option, i.e., Just val or Some val.
- Tree-option-none
- Represents that no tree-option is available, i.e., Nothing or None.
