| Safe Haskell | None |
|---|---|
| Language | Haskell2010 |
GHC.Tc.Gen.Pat
Description
Typechecking patterns
Synopsis
- tcLetPat :: (Name -> Maybe TcId) -> LetBndrSpec -> LPat GhcRn -> Scaled ExpSigmaType -> TcM a -> TcM (LPat GhcTc, a)
- newLetBndr :: LetBndrSpec -> Name -> Mult -> TcType -> TcM TcId
- data LetBndrSpec
- tcCheckPat :: HsMatchContext GhcRn -> LPat GhcRn -> Scaled TcSigmaType -> TcM a -> TcM (LPat GhcTc, a)
- tcCheckPat_O :: HsMatchContext GhcRn -> CtOrigin -> LPat GhcRn -> Scaled TcSigmaType -> TcM a -> TcM (LPat GhcTc, a)
- tcInferPat :: HsMatchContext GhcRn -> LPat GhcRn -> TcM a -> TcM ((LPat GhcTc, a), TcSigmaType)
- tcPats :: HsMatchContext GhcRn -> [LPat GhcRn] -> [Scaled ExpSigmaType] -> TcM a -> TcM ([LPat GhcTc], a)
- addDataConStupidTheta :: DataCon -> [TcType] -> TcM ()
- badFieldCon :: ConLike -> FieldLabelString -> SDoc
- polyPatSig :: TcType -> SDoc
Documentation
tcLetPat :: (Name -> Maybe TcId) -> LetBndrSpec -> LPat GhcRn -> Scaled ExpSigmaType -> TcM a -> TcM (LPat GhcTc, a) Source #
newLetBndr :: LetBndrSpec -> Name -> Mult -> TcType -> TcM TcId Source #
data LetBndrSpec Source #
Constructors
| LetLclBndr | |
| LetGblBndr TcPragEnv |
Instances
| Outputable LetBndrSpec Source # | |
Defined in GHC.Tc.Gen.Pat Methods ppr :: LetBndrSpec -> SDoc | |
tcCheckPat :: HsMatchContext GhcRn -> LPat GhcRn -> Scaled TcSigmaType -> TcM a -> TcM (LPat GhcTc, a) Source #
Arguments
| :: HsMatchContext GhcRn | |
| -> CtOrigin | origin to use if the type needs inst'ing |
| -> LPat GhcRn | |
| -> Scaled TcSigmaType | |
| -> TcM a | |
| -> TcM (LPat GhcTc, a) |
A variant of tcPat that takes a custom origin
tcInferPat :: HsMatchContext GhcRn -> LPat GhcRn -> TcM a -> TcM ((LPat GhcTc, a), TcSigmaType) Source #
tcPats :: HsMatchContext GhcRn -> [LPat GhcRn] -> [Scaled ExpSigmaType] -> TcM a -> TcM ([LPat GhcTc], a) Source #
addDataConStupidTheta :: DataCon -> [TcType] -> TcM () Source #
badFieldCon :: ConLike -> FieldLabelString -> SDoc Source #
polyPatSig :: TcType -> SDoc Source #