| Opt_TypeSynonymInstances
| Opt_FlexibleContexts
| Opt_FlexibleInstances
+ | Opt_ConstrainedClassMethods
| Opt_MultiParamTypeClasses
| Opt_FunctionalDependencies
| Opt_UnicodeSyntax
( "TypeSynonymInstances", Opt_TypeSynonymInstances ),
( "FlexibleContexts", Opt_FlexibleContexts ),
( "FlexibleInstances", Opt_FlexibleInstances ),
+ ( "ConstrainedClassMethods", Opt_ConstrainedClassMethods ),
( "MultiParamTypeClasses", Opt_MultiParamTypeClasses ),
( "FunctionalDependencies", Opt_FunctionalDependencies ),
( "GeneralizedNewtypeDeriving", Opt_GeneralizedNewtypeDeriving ),
, Opt_TypeSynonymInstances
, Opt_FlexibleContexts
, Opt_FlexibleInstances
+ , Opt_ConstrainedClassMethods
, Opt_MultiParamTypeClasses
, Opt_FunctionalDependencies
, Opt_MagicHash