MaybeBool
Description:
public enum MaybeBool
A 'boolean' type that has a distinct 'unset' state.
Since:
0.3.1
Content:
Enum values:
- UNSET - This value is explicitly unset.
- FALSE - False (this value was set from its
default of UNSET).
- TRUE - True (this value was set from its
default of UNSET).