ghc-6.12.2: The GHC API Source code Contents Index

InstEnv

Documentation

type DFunId = Id Source

data OverlapFlag Source

Constructors NoOverlap OverlapOk Incoherent Instances Eq OverlapFlag Outputable OverlapFlag Binary OverlapFlag

data Instance Source

Constructors Instance is_cls :: Name is_tcs :: [Maybe Name] is_tvs :: TyVarSet is_tys :: [Type] is_dfun :: DFunId is_flag :: OverlapFlag Instances Outputable Instance NamedThing Instance

pprInstance :: Instance -> SDoc Source

pprInstanceHdr :: Instance -> SDoc Source

pprInstances :: [Instance] -> SDoc Source

instanceHead :: Instance -> ([TyVar], [PredType], Class, [Type]) Source

mkLocalInstance :: DFunId -> OverlapFlag -> Instance Source

mkImportedInstance :: Name -> [Maybe Name] -> DFunId -> OverlapFlag -> Instance Source

instanceDFunId :: Instance -> DFunId Source

setInstanceDFunId :: Instance -> DFunId -> Instance Source

instanceRoughTcs :: Instance -> [Maybe Name] Source

type InstEnv = UniqFM ClsInstEnv Source

emptyInstEnv :: InstEnv Source

extendInstEnv :: InstEnv -> Instance -> InstEnv Source

extendInstEnvList :: InstEnv -> [Instance] -> InstEnv Source

lookupInstEnv :: (InstEnv, InstEnv) -> Class -> [Type] -> ([InstMatch], [Instance]) Source

instEnvElts :: InstEnv -> [Instance] Source

classInstances :: (InstEnv, InstEnv) -> Class -> [Instance] Source

instanceBindFun :: TyVar -> BindFlag Source

instanceCantMatch :: [Maybe Name] -> [Maybe Name] -> Bool Source

roughMatchTcs :: [Type] -> [Maybe Name] Source

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