Extensions:
DeriveDataTypeable, ExistentialQuantification,
FlexibleInstances, FunctionalDependencies,
Extensions:
DeriveDataTypeable, ExistentialQuantification,
FlexibleInstances, FunctionalDependencies,
- MultiParamTypeClasses, ScopedTypeVariables,
+ MultiParamTypeClasses, OverloadedStrings, ScopedTypeVariables,
Extensions:
DeriveDataTypeable, ExistentialQuantification,
FlexibleInstances, FunctionalDependencies,
Extensions:
DeriveDataTypeable, ExistentialQuantification,
FlexibleInstances, FunctionalDependencies,
- MultiParamTypeClasses, ScopedTypeVariables,
+ MultiParamTypeClasses, OverloadedStrings, ScopedTypeVariables,