| Opt_TypeOperators
| Opt_PackageImports
| Opt_NewQualifiedOperators
+ | Opt_ExplicitForAll
| Opt_PrintExplicitForalls
( "NPlusKPatterns", Opt_NPlusKPatterns, const Supported ),
-- On by default (which is not strictly H98):
( "MonoPatBinds", Opt_MonoPatBinds, const Supported ),
+ ( "ExplicitForAll", Opt_ExplicitForAll, const Supported ),
( "MonoLocalBinds", Opt_MonoLocalBinds, const Supported ),
( "RelaxedPolyRec", Opt_RelaxedPolyRec, const Supported ),
( "ExtendedDefaultRules", Opt_ExtendedDefaultRules, const Supported ),
impliedFlags :: [(DynFlag, DynFlag)]
impliedFlags
- = [ (Opt_GADTs, Opt_RelaxedPolyRec) -- We want type-sig variables to
+ = [ (Opt_RankNTypes, Opt_ExplicitForAll)
+ , (Opt_Rank2Types, Opt_ExplicitForAll)
+ , (Opt_ScopedTypeVariables, Opt_ExplicitForAll)
+ , (Opt_LiberalTypeSynonyms, Opt_ExplicitForAll)
+ , (Opt_ExistentialQuantification, Opt_ExplicitForAll)
+ , (Opt_PolymorphicComponents, Opt_ExplicitForAll)
+
+ , (Opt_GADTs, Opt_RelaxedPolyRec) -- We want type-sig variables to
-- be completely rigid for GADTs
, (Opt_TypeFamilies, Opt_RelaxedPolyRec) -- Trac #2944 gives a nice example