ghc-syb-0.1: SYB instances for the GHC APISource codeContentsIndex

GHC.Syb.Instances provides instances of Data/Typeable for Ghc Api types, using standalone deriving.

Most instances are standard; to provide Data instances abstract types, we use one of two schemes:

    abstractConstr   n = mkConstr (abstractDataType n) ({abstract:++n++}) [] Prefix
    abstractDataType n = mkDataType n [abstractConstr n]
    instance Data SrcSpan where
      -- don't traverse?
      toConstr _   = abstractConstr SrcSpan
      gunfold _ _  = error gunfold
      dataTypeOf _ = mkNorepType SrcSpan
    instance Data NameSet where
      gfoldl k z s = z mkNameSet k nameSetToList s -- traverse abstractly
      toConstr _   = abstractConstr NameSet
      gunfold _ _  = error gunfold
      dataTypeOf _ = mkNorepType NameSet

Please report any issues, either with these abstract instances or with these modules going out of sync with GHC head, to the package maintainer.

srcSpanTc :: TyConSource
moduleTc :: TyConSource
moduleNameTc :: TyConSource
occNameTc :: TyConSource
nameTc :: TyConSource
dataConTc :: TyConSource
varTc :: TyConSource
nameSetTc :: TyConSource
tyConTc :: TyConSource
classTc :: TyConSource
bagTc :: TyConSource
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