TcSMonad

ghc-8.0.0.20160204: The GHC API

Safe Haskell | None
Language | Haskell2010

TcSMonad

Synopsis

- data WorkList = WL {
  - wl_eqs :: [Ct]
  - wl_funeqs :: [Ct]
  - wl_rest :: [Ct]
  - wl_deriv :: [CtEvidence]
  - wl_implics :: Bag Implication
  }
- isEmptyWorkList :: WorkList -> Bool
- emptyWorkList :: WorkList
- extendWorkListNonEq :: Ct -> WorkList -> WorkList
- extendWorkListCt :: Ct -> WorkList -> WorkList
- extendWorkListDerived :: CtLoc -> CtEvidence -> WorkList -> WorkList
- extendWorkListCts :: [Ct] -> WorkList -> WorkList
- extendWorkListEq :: Ct -> WorkList -> WorkList
- extendWorkListFunEq :: Ct -> WorkList -> WorkList
- appendWorkList :: WorkList -> WorkList -> WorkList
- selectNextWorkItem :: TcS (Maybe Ct)
- workListSize :: WorkList -> Int
- workListWantedCount :: WorkList -> Int
- updWorkListTcS :: (WorkList -> WorkList) -> TcS ()
- data TcS a
- runTcS :: TcS a -> TcM (a, EvBindMap)
- runTcSDeriveds :: TcS a -> TcM a
- runTcSWithEvBinds :: Bool -> Maybe EvBindsVar -> TcS a -> TcM a
- failTcS :: SDoc -> TcS a
- warnTcS :: SDoc -> TcS ()
- runTcSEqualities :: TcS a -> TcM a
- nestTcS :: TcS a -> TcS a
- nestImplicTcS :: Maybe EvBindsVar -> TyCoVarSet -> TcLevel -> TcS a -> TcS (a, TyCoVarSet)
- runTcPluginTcS :: TcPluginM a -> TcS a
- addUsedDataCons :: GlobalRdrEnv -> TyCon -> TcS ()
- deferTcSForAllEq :: Role -> CtLoc -> [Coercion] -> ([TyBinder], TcType) -> ([TyBinder], TcType) -> TcS Coercion
- panicTcS :: SDoc -> TcS a
- traceTcS :: String -> SDoc -> TcS ()
- traceFireTcS :: CtEvidence -> SDoc -> TcS ()
- bumpStepCountTcS :: TcS ()
- csTraceTcS :: SDoc -> TcS ()
- wrapErrTcS :: TcM a -> TcS a
- wrapWarnTcS :: TcM a -> TcS a
- data MaybeNew
  - = Fresh CtEvidence
  - | Cached EvTerm
- freshGoals :: [MaybeNew] -> [CtEvidence]
- isFresh :: MaybeNew -> Bool
- getEvTerm :: MaybeNew -> EvTerm
- newTcEvBinds :: TcS EvBindsVar
- newWantedEq :: CtLoc -> Role -> TcType -> TcType -> TcS (CtEvidence, Coercion)
- newWanted :: CtLoc -> PredType -> TcS MaybeNew
- newWantedEvVar :: CtLoc -> TcPredType -> TcS MaybeNew
- newWantedEvVarNC :: CtLoc -> TcPredType -> TcS CtEvidence
- newDerivedNC :: CtLoc -> TcPredType -> TcS CtEvidence
- newBoundEvVarId :: TcPredType -> EvTerm -> TcS EvVar
- unifyTyVar :: TcTyVar -> TcType -> TcS ()
- unflattenFmv :: TcTyVar -> TcType -> TcS ()
- reportUnifications :: TcS a -> TcS (Int, a)
- setEvBind :: EvBind -> TcS ()
- setWantedEq :: TcEvDest -> Coercion -> TcS ()
- setEqIfWanted :: CtEvidence -> Coercion -> TcS ()
- setWantedEvTerm :: TcEvDest -> EvTerm -> TcS ()
- setWantedEvBind :: EvVar -> EvTerm -> TcS ()
- setEvBindIfWanted :: CtEvidence -> EvTerm -> TcS ()
- newEvVar :: TcPredType -> TcS EvVar
- newGivenEvVar :: CtLoc -> (TcPredType, EvTerm) -> TcS CtEvidence
- newGivenEvVars :: CtLoc -> [(TcPredType, EvTerm)] -> TcS [CtEvidence]
- emitNewDerived :: CtLoc -> TcPredType -> TcS ()
- emitNewDeriveds :: CtLoc -> [TcPredType] -> TcS ()
- emitNewDerivedEq :: CtLoc -> Role -> TcType -> TcType -> TcS ()
- checkReductionDepth :: CtLoc -> TcType -> TcS ()
- getInstEnvs :: TcS InstEnvs
- getFamInstEnvs :: TcS (FamInstEnv, FamInstEnv)
- getTopEnv :: TcS HscEnv
- getGblEnv :: TcS TcGblEnv
- getLclEnv :: TcS TcLclEnv
- getTcEvBinds :: TcS (Maybe EvBindsVar)
- getTcEvBindsFromVar :: EvBindsVar -> TcS (Bag EvBind)
- getTcLevel :: TcS TcLevel
- getTcEvBindsMap :: TcS EvBindMap
- tcLookupClass :: Name -> TcS Class
- data InertSet = IS {
  - inert_cans :: InertCans
  - inert_flat_cache :: ExactFunEqMap (TcCoercion, TcType, CtFlavour)
  - inert_solved_dicts :: DictMap CtEvidence
  }
- data InertCans = IC {
  - inert_model :: InertModel
  - inert_eqs :: TyVarEnv EqualCtList
  - inert_funeqs :: FunEqMap Ct
  - inert_dicts :: DictMap Ct
  - inert_safehask :: DictMap Ct
  - inert_irreds :: Cts
  - inert_insols :: Cts
  - inert_count :: Int
  }
- updInertTcS :: (InertSet -> InertSet) -> TcS ()
- updInertCans :: (InertCans -> InertCans) -> TcS ()
- updInertDicts :: (DictMap Ct -> DictMap Ct) -> TcS ()
- updInertIrreds :: (Cts -> Cts) -> TcS ()
- getNoGivenEqs :: TcLevel -> [TcTyVar] -> TcS Bool
- setInertCans :: InertCans -> TcS ()
- getInertEqs :: TcS (TyVarEnv EqualCtList)
- getInertCans :: TcS InertCans
- getInertModel :: TcS InertModel
- getInertGivens :: TcS [Ct]
- emptyInert :: InertSet
- getTcSInerts :: TcS InertSet
- setTcSInerts :: InertSet -> TcS ()
- takeGivenInsolubles :: TcS Cts
- matchableGivens :: CtLoc -> PredType -> InertSet -> Cts
- prohibitedSuperClassSolve :: CtLoc -> CtLoc -> Bool
- getUnsolvedInerts :: TcS (Bag Implication, Cts, Cts, Cts, Cts)
- removeInertCts :: [Ct] -> InertCans -> InertCans
- getPendingScDicts :: TcS [Ct]
- addInertCan :: Ct -> TcS ()
- addInertEq :: Ct -> TcS ()
- insertFunEq :: FunEqMap a -> TyCon -> [Type] -> a -> FunEqMap a
- emitInsoluble :: Ct -> TcS ()
- emitWorkNC :: [CtEvidence] -> TcS ()
- type InertModel = TyVarEnv Ct
- kickOutAfterUnification :: TcTyVar -> TcS Int
- addInertSafehask :: InertCans -> Ct -> InertCans
- insertSafeOverlapFailureTcS :: Ct -> TcS ()
- updInertSafehask :: (DictMap Ct -> DictMap Ct) -> TcS ()
- getSafeOverlapFailures :: TcS Cts
- lookupInertDict :: InertCans -> Class -> [Type] -> Maybe CtEvidence
- findDictsByClass :: DictMap a -> Class -> Bag a
- addDict :: DictMap a -> Class -> [Type] -> a -> DictMap a
- addDictsByClass :: DictMap Ct -> Class -> Bag Ct -> DictMap Ct
- delDict :: DictMap a -> Class -> [Type] -> DictMap a
- partitionDicts :: (Ct -> Bool) -> DictMap Ct -> (Bag Ct, DictMap Ct)
- foldDicts :: (a -> b -> b) -> DictMap a -> b -> b
- filterDicts :: (Ct -> Bool) -> DictMap Ct -> DictMap Ct
- type EqualCtList = [Ct]
- findTyEqs :: InertCans -> TyVar -> EqualCtList
- foldTyEqs :: (Ct -> b -> b) -> TyVarEnv EqualCtList -> b -> b
- isInInertEqs :: TyVarEnv EqualCtList -> TcTyVar -> TcType -> Bool
- addSolvedDict :: CtEvidence -> Class -> [Type] -> TcS ()
- lookupSolvedDict :: InertSet -> Class -> [Type] -> Maybe CtEvidence
- foldIrreds :: (Ct -> b -> b) -> Cts -> b -> b
- lookupFlatCache :: TyCon -> [Type] -> TcS (Maybe (TcCoercion, TcType, CtFlavour))
- extendFlatCache :: TyCon -> [Type] -> (TcCoercion, TcType, CtFlavour) -> TcS ()
- newFlattenSkolem :: CtFlavour -> CtLoc -> TcType -> TcS (CtEvidence, Coercion, TcTyVar)
- updInertFunEqs :: (FunEqMap Ct -> FunEqMap Ct) -> TcS ()
- findFunEq :: FunEqMap a -> TyCon -> [Type] -> Maybe a
- sizeFunEqMap :: FunEqMap a -> Int
- filterFunEqs :: (Ct -> Bool) -> FunEqMap Ct -> FunEqMap Ct
- findFunEqsByTyCon :: FunEqMap a -> TyCon -> [a]
- partitionFunEqs :: (Ct -> Bool) -> FunEqMap Ct -> ([Ct], FunEqMap Ct)
- foldFunEqs :: (a -> b -> b) -> FunEqMap a -> b -> b
- instDFunType :: DFunId -> [DFunInstType] -> TcS ([TcType], TcThetaType)
- newFlexiTcSTy :: Kind -> TcS TcType
- instFlexiTcS :: [TKVar] -> TcS (TCvSubst, [TcType])
- cloneMetaTyVar :: TcTyVar -> TcS TcTyVar
- demoteUnfilledFmv :: TcTyVar -> TcS ()
- data TcLevel
- isTouchableMetaTyVarTcS :: TcTyVar -> TcS Bool
- isFilledMetaTyVar_maybe :: TcTyVar -> TcS (Maybe Type)
- isFilledMetaTyVar :: TcTyVar -> TcS Bool
- zonkTyCoVarsAndFV :: TcTyCoVarSet -> TcS TcTyCoVarSet
- zonkTcType :: TcType -> TcS TcType
- zonkTcTypes :: [TcType] -> TcS [TcType]
- zonkTcTyVar :: TcTyVar -> TcS TcType
- zonkCo :: Coercion -> TcS Coercion
- zonkSimples :: Cts -> TcS Cts
- zonkWC :: WantedConstraints -> TcS WantedConstraints
- newTcRef :: a -> TcS (TcRef a)
- readTcRef :: TcRef a -> TcS a
- updTcRef :: TcRef a -> (a -> a) -> TcS ()
- getDefaultInfo :: TcS ([Type], (Bool, Bool))
- getDynFlags :: HasDynFlags m => m DynFlags
- getGlobalRdrEnvTcS :: TcS GlobalRdrEnv
- matchFam :: TyCon -> [Type] -> TcS (Maybe (Coercion, TcType))
- matchFamTcM :: TyCon -> [Type] -> TcM (Maybe (Coercion, TcType))
- checkWellStagedDFun :: PredType -> DFunId -> CtLoc -> TcS ()
- pprEq :: TcType -> TcType -> SDoc

# Documentation

data WorkList Source

Constructors

WL |
Fields wl_eqs :: [Ct] wl_funeqs :: [Ct] wl_rest :: [Ct] wl_deriv :: [CtEvidence] wl_implics :: Bag Implication

Instances

Outputable WorkList |
Methods ppr :: WorkList -> SDoc Source pprPrec :: Rational -> WorkList -> SDoc Source

isEmptyWorkList :: WorkList -> Bool Source

emptyWorkList :: WorkList Source

extendWorkListNonEq :: Ct -> WorkList -> WorkList Source

extendWorkListCt :: Ct -> WorkList -> WorkList Source

extendWorkListDerived :: CtLoc -> CtEvidence -> WorkList -> WorkList Source

extendWorkListCts :: [Ct] -> WorkList -> WorkList Source

extendWorkListEq :: Ct -> WorkList -> WorkList Source

extendWorkListFunEq :: Ct -> WorkList -> WorkList Source

appendWorkList :: WorkList -> WorkList -> WorkList Source

selectNextWorkItem :: TcS (Maybe Ct) Source

workListSize :: WorkList -> Int Source

workListWantedCount :: WorkList -> Int Source

updWorkListTcS :: (WorkList -> WorkList) -> TcS () Source

data TcS a Source

Instances

Monad TcS |
Methods (>>=) :: TcS a -> (a -> TcS b) -> TcS b Source (>>) :: TcS a -> TcS b -> TcS b Source return :: a -> TcS a Source fail :: String -> TcS a Source
Functor TcS |
Methods fmap :: (a -> b) -> TcS a -> TcS b Source (<$) :: a -> TcS b -> TcS a Source
MonadFail TcS |
Methods fail :: String -> TcS a Source
Applicative TcS |
Methods pure :: a -> TcS a Source (<*>) :: TcS (a -> b) -> TcS a -> TcS b Source (*>) :: TcS a -> TcS b -> TcS b Source (<*) :: TcS a -> TcS b -> TcS a Source
MonadUnique TcS |
Methods getUniqueSupplyM :: TcS UniqSupply Source getUniqueM :: TcS Unique Source getUniquesM :: TcS [Unique] Source
HasDynFlags TcS |
Methods getDynFlags :: TcS DynFlags Source

runTcS :: TcS a -> TcM (a, EvBindMap) Source

runTcSDeriveds :: TcS a -> TcM a Source

This variant of `runTcS` will keep solving, even when only Deriveds are left around. It also doesn't return any evidence, as callers won't need it.

runTcSWithEvBinds Source

Arguments

:: Bool | keep running even if only Deriveds are left?
-> Maybe EvBindsVar |
-> TcS a |
-> TcM a |

failTcS :: SDoc -> TcS a Source

warnTcS :: SDoc -> TcS () Source

runTcSEqualities :: TcS a -> TcM a Source

This can deal only with equality constraints.

nestTcS :: TcS a -> TcS a Source

nestImplicTcS :: Maybe EvBindsVar -> TyCoVarSet -> TcLevel -> TcS a -> TcS (a, TyCoVarSet) Source

runTcPluginTcS :: TcPluginM a -> TcS a Source

addUsedDataCons :: GlobalRdrEnv -> TyCon -> TcS () Source

deferTcSForAllEq :: Role -> CtLoc -> [Coercion] -> ([TyBinder], TcType) -> ([TyBinder], TcType) -> TcS Coercion Source

panicTcS :: SDoc -> TcS a Source

traceTcS :: String -> SDoc -> TcS () Source

traceFireTcS :: CtEvidence -> SDoc -> TcS () Source

bumpStepCountTcS :: TcS () Source

csTraceTcS :: SDoc -> TcS () Source

wrapErrTcS :: TcM a -> TcS a Source

wrapWarnTcS :: TcM a -> TcS a Source

data MaybeNew Source

Constructors

Fresh CtEvidence |
Cached EvTerm |

freshGoals :: [MaybeNew] -> [CtEvidence] Source

isFresh :: MaybeNew -> Bool Source

getEvTerm :: MaybeNew -> EvTerm Source

newTcEvBinds :: TcS EvBindsVar Source

newWantedEq :: CtLoc -> Role -> TcType -> TcType -> TcS (CtEvidence, Coercion) Source

Make a new equality CtEvidence

newWanted :: CtLoc -> PredType -> TcS MaybeNew Source

newWantedEvVar :: CtLoc -> TcPredType -> TcS MaybeNew Source

newWantedEvVarNC :: CtLoc -> TcPredType -> TcS CtEvidence Source

newDerivedNC :: CtLoc -> TcPredType -> TcS CtEvidence Source

newBoundEvVarId :: TcPredType -> EvTerm -> TcS EvVar Source

Make a new `Id` of the given type, bound (in the monad's EvBinds) to the given term

unifyTyVar :: TcTyVar -> TcType -> TcS () Source

unflattenFmv :: TcTyVar -> TcType -> TcS () Source

reportUnifications :: TcS a -> TcS (Int, a) Source

setEvBind :: EvBind -> TcS () Source

setWantedEq :: TcEvDest -> Coercion -> TcS () Source

Equalities only

setEqIfWanted :: CtEvidence -> Coercion -> TcS () Source

Equalities only

setWantedEvTerm :: TcEvDest -> EvTerm -> TcS () Source

Good for equalities and non-equalities

setWantedEvBind :: EvVar -> EvTerm -> TcS () Source

setEvBindIfWanted :: CtEvidence -> EvTerm -> TcS () Source

newEvVar :: TcPredType -> TcS EvVar Source

newGivenEvVar :: CtLoc -> (TcPredType, EvTerm) -> TcS CtEvidence Source

newGivenEvVars :: CtLoc -> [(TcPredType, EvTerm)] -> TcS [CtEvidence] Source

emitNewDerived :: CtLoc -> TcPredType -> TcS () Source

emitNewDeriveds :: CtLoc -> [TcPredType] -> TcS () Source

emitNewDerivedEq :: CtLoc -> Role -> TcType -> TcType -> TcS () Source

checkReductionDepth Source

Arguments

:: CtLoc |
-> TcType | type being reduced
-> TcS () |

Checks if the depth of the given location is too much. Fails if it's too big, with an appropriate error message.

getInstEnvs :: TcS InstEnvs Source

getFamInstEnvs :: TcS (FamInstEnv, FamInstEnv) Source

getTopEnv :: TcS HscEnv Source

getGblEnv :: TcS TcGblEnv Source

getLclEnv :: TcS TcLclEnv Source

getTcEvBinds :: TcS (Maybe EvBindsVar) Source

getTcEvBindsFromVar :: EvBindsVar -> TcS (Bag EvBind) Source

getTcLevel :: TcS TcLevel Source

getTcEvBindsMap :: TcS EvBindMap Source

tcLookupClass :: Name -> TcS Class Source

data InertSet Source

Constructors

IS |
Fields inert_cans :: InertCans inert_flat_cache :: ExactFunEqMap (TcCoercion, TcType, CtFlavour) inert_solved_dicts :: DictMap CtEvidence

Instances

Outputable InertSet |
Methods ppr :: InertSet -> SDoc Source pprPrec :: Rational -> InertSet -> SDoc Source

data InertCans Source

Constructors

IC |
Fields inert_model :: InertModel inert_eqs :: TyVarEnv EqualCtList inert_funeqs :: FunEqMap Ct inert_dicts :: DictMap Ct inert_safehask :: DictMap Ct See Note [Safe Haskell Overlapping Instances Implementation] in TcSimplify inert_irreds :: Cts inert_insols :: Cts inert_count :: Int

Instances

Outputable InertCans |
Methods ppr :: InertCans -> SDoc Source pprPrec :: Rational -> InertCans -> SDoc Source

updInertTcS :: (InertSet -> InertSet) -> TcS () Source

updInertCans :: (InertCans -> InertCans) -> TcS () Source

updInertDicts :: (DictMap Ct -> DictMap Ct) -> TcS () Source

updInertIrreds :: (Cts -> Cts) -> TcS () Source

getNoGivenEqs :: TcLevel -> [TcTyVar] -> TcS Bool Source

setInertCans :: InertCans -> TcS () Source

getInertEqs :: TcS (TyVarEnv EqualCtList) Source

getInertCans :: TcS InertCans Source

getInertModel :: TcS InertModel Source

getInertGivens :: TcS [Ct] Source

emptyInert :: InertSet Source

getTcSInerts :: TcS InertSet Source

setTcSInerts :: InertSet -> TcS () Source

takeGivenInsolubles :: TcS Cts Source

matchableGivens :: CtLoc -> PredType -> InertSet -> Cts Source

Returns Given constraints that might, potentially, match the given pred. This is used when checking to see if a Given might overlap with an instance. See Note [Instance and Given overlap] in TcInteract.

prohibitedSuperClassSolve :: CtLoc -> CtLoc -> Bool Source

getUnsolvedInerts :: TcS (Bag Implication, Cts, Cts, Cts, Cts) Source

removeInertCts :: [Ct] -> InertCans -> InertCans Source

Remove inert constraints from the `InertCans`, for use when a typechecker plugin wishes to discard a given.

getPendingScDicts :: TcS [Ct] Source

addInertCan :: Ct -> TcS () Source

addInertEq :: Ct -> TcS () Source

insertFunEq :: FunEqMap a -> TyCon -> [Type] -> a -> FunEqMap a Source

emitInsoluble :: Ct -> TcS () Source

emitWorkNC :: [CtEvidence] -> TcS () Source

type InertModel = TyVarEnv Ct Source

kickOutAfterUnification :: TcTyVar -> TcS Int Source

addInertSafehask :: InertCans -> Ct -> InertCans Source

insertSafeOverlapFailureTcS :: Ct -> TcS () Source

updInertSafehask :: (DictMap Ct -> DictMap Ct) -> TcS () Source

getSafeOverlapFailures :: TcS Cts Source

lookupInertDict :: InertCans -> Class -> [Type] -> Maybe CtEvidence Source

Look up a dictionary inert. NB: the returned `CtEvidence` might not match the input exactly. Note [Use loose types in inert set].

findDictsByClass :: DictMap a -> Class -> Bag a Source

addDict :: DictMap a -> Class -> [Type] -> a -> DictMap a Source

addDictsByClass :: DictMap Ct -> Class -> Bag Ct -> DictMap Ct Source

delDict :: DictMap a -> Class -> [Type] -> DictMap a Source

partitionDicts :: (Ct -> Bool) -> DictMap Ct -> (Bag Ct, DictMap Ct) Source

foldDicts :: (a -> b -> b) -> DictMap a -> b -> b Source

filterDicts :: (Ct -> Bool) -> DictMap Ct -> DictMap Ct Source

type EqualCtList = [Ct] Source

findTyEqs :: InertCans -> TyVar -> EqualCtList Source

foldTyEqs :: (Ct -> b -> b) -> TyVarEnv EqualCtList -> b -> b Source

isInInertEqs :: TyVarEnv EqualCtList -> TcTyVar -> TcType -> Bool Source

addSolvedDict :: CtEvidence -> Class -> [Type] -> TcS () Source

lookupSolvedDict :: InertSet -> Class -> [Type] -> Maybe CtEvidence Source

Look up a solved inert. NB: the returned `CtEvidence` might not match the input exactly. See Note [Use loose types in inert set].

foldIrreds :: (Ct -> b -> b) -> Cts -> b -> b Source

lookupFlatCache :: TyCon -> [Type] -> TcS (Maybe (TcCoercion, TcType, CtFlavour)) Source

extendFlatCache :: TyCon -> [Type] -> (TcCoercion, TcType, CtFlavour) -> TcS () Source

newFlattenSkolem :: CtFlavour -> CtLoc -> TcType -> TcS (CtEvidence, Coercion, TcTyVar) Source

updInertFunEqs :: (FunEqMap Ct -> FunEqMap Ct) -> TcS () Source

findFunEq :: FunEqMap a -> TyCon -> [Type] -> Maybe a Source

sizeFunEqMap :: FunEqMap a -> Int Source

filterFunEqs :: (Ct -> Bool) -> FunEqMap Ct -> FunEqMap Ct Source

findFunEqsByTyCon :: FunEqMap a -> TyCon -> [a] Source

partitionFunEqs :: (Ct -> Bool) -> FunEqMap Ct -> ([Ct], FunEqMap Ct) Source

foldFunEqs :: (a -> b -> b) -> FunEqMap a -> b -> b Source

instDFunType :: DFunId -> [DFunInstType] -> TcS ([TcType], TcThetaType) Source

newFlexiTcSTy :: Kind -> TcS TcType Source

instFlexiTcS :: [TKVar] -> TcS (TCvSubst, [TcType]) Source

cloneMetaTyVar :: TcTyVar -> TcS TcTyVar Source

demoteUnfilledFmv :: TcTyVar -> TcS () Source

data TcLevel Source

Instances

Eq TcLevel |
Methods (==) :: TcLevel -> TcLevel -> Bool (/=) :: TcLevel -> TcLevel -> Bool
Ord TcLevel |
Methods compare :: TcLevel -> TcLevel -> Ordering (<) :: TcLevel -> TcLevel -> Bool (<=) :: TcLevel -> TcLevel -> Bool (>) :: TcLevel -> TcLevel -> Bool (>=) :: TcLevel -> TcLevel -> Bool max :: TcLevel -> TcLevel -> TcLevel min :: TcLevel -> TcLevel -> TcLevel
Outputable TcLevel |
Methods ppr :: TcLevel -> SDoc Source pprPrec :: Rational -> TcLevel -> SDoc Source

isTouchableMetaTyVarTcS :: TcTyVar -> TcS Bool Source

isFilledMetaTyVar_maybe :: TcTyVar -> TcS (Maybe Type) Source

isFilledMetaTyVar :: TcTyVar -> TcS Bool Source

zonkTyCoVarsAndFV :: TcTyCoVarSet -> TcS TcTyCoVarSet Source

zonkTcType :: TcType -> TcS TcType Source

zonkTcTypes :: [TcType] -> TcS [TcType] Source

zonkTcTyVar :: TcTyVar -> TcS TcType Source

zonkCo :: Coercion -> TcS Coercion Source

zonkSimples :: Cts -> TcS Cts Source

zonkWC :: WantedConstraints -> TcS WantedConstraints Source

newTcRef :: a -> TcS (TcRef a) Source

readTcRef :: TcRef a -> TcS a Source

updTcRef :: TcRef a -> (a -> a) -> TcS () Source

getDefaultInfo :: TcS ([Type], (Bool, Bool)) Source

getDynFlags :: HasDynFlags m => m DynFlags Source

getGlobalRdrEnvTcS :: TcS GlobalRdrEnv Source

matchFam :: TyCon -> [Type] -> TcS (Maybe (Coercion, TcType)) Source

matchFamTcM :: TyCon -> [Type] -> TcM (Maybe (Coercion, TcType)) Source

checkWellStagedDFun :: PredType -> DFunId -> CtLoc -> TcS () Source

pprEq :: TcType -> TcType -> SDoc Source