Safe Haskell | Safe-Inferred |
---|---|
Language | Haskell98 |
AUTHOR
- Dr. Alistair Ward
DESCRIPTION
- Defines a standard interface to which various options-related data can conform.
- class Defaultable a => Options a where
- blankValue :: a
Type-classes
class Defaultable a => Options a where Source
Similar to the class RegexOptions
.
:: a | The undefined state of the data-type, which may be literal, but could alternatively be a logical starting value. |