Modulederiving-compat-0.6.8Haskell2010

Data.Enum.Deriving.Internal

Exports functions to mechanically derive Enum instances.

Note: this is an internal module, and as such, the API presented here is not guaranteed to be stable, even between minor releases of this library.

Contents

Synopsis

Enum

valuederiveEnum :: Name -> Q [Dec]

Generates an Enum instance declaration for the given data type or data family instance.

valuemakeSucc :: Name -> Q Exp

Generates a lambda expression which behaves like succ (without requiring an Enum instance).

valuemakePred :: Name -> Q Exp

Generates a lambda expression which behaves like pred (without requiring an Enum instance).

valuemakeToEnum :: Name -> Q Exp

Generates a lambda expression which behaves like toEnum (without requiring an Enum instance).

valuemakeFromEnum :: Name -> Q Exp

Generates a lambda expression which behaves like fromEnum (without requiring an Enum instance).

valuemakeEnumFrom :: Name -> Q Exp

Generates a lambda expression which behaves like enumFrom (without requiring an Enum instance).

valuemakeEnumFromThen :: Name -> Q Exp

Generates a lambda expression which behaves like enumFromThen (without requiring an Enum instance).