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  1. updateLookupWithKey :: IsMap map => (ContainerKey map -> MapValue map -> Maybe (MapValue map)) -> ContainerKey map -> map -> (Maybe (MapValue map), map)

    classy-prelude-yesod ClassyPrelude.Yesod

    Apply a function to the value of a given key. If the map does not contain the key this returns Nothing and the input map. If the map does contain the key but the function returns Nothing, this returns the previous value and the map with the key-value pair removed. If the map contains the key and the function returns a value, this returns the new value and the map with the key-value pair with the new value.

  2. class OverloadedLookup t k v | t -> k, t -> v

    error-or-utils Data.ErrorOr.Utils

    A class used to implement lookup and lookupIn.

  3. overloadedLookup :: OverloadedLookup t k v => k -> t -> Maybe v

    error-or-utils Data.ErrorOr.Utils

    No documentation available.

  4. mgLookupModule :: ModuleGraph -> Module -> Maybe ModSummary

    ghc-lib GHC

    Look up a ModSummary in the ModuleGraph Looks up the non-boot ModSummary Linear in the size of the module graph

  5. modInfoLookupName :: GhcMonad m => ModuleInfo -> Name -> m (Maybe TyThing)

    ghc-lib GHC

    No documentation available.

  6. funLookup :: Uniquable key => key -> LlvmM (Maybe LlvmType)

    ghc-lib GHC.CmmToLlvm.Base

    Lookup variables or functions in the environment.

  7. varLookup :: Uniquable key => key -> LlvmM (Maybe LlvmType)

    ghc-lib GHC.CmmToLlvm.Base

    Lookup variables or functions in the environment.

  8. finder_lookupHomeInterfaces :: FinderOpts -> Bool

    ghc-lib GHC.Driver.Config.Finder

    When looking up a home module:

    • True: search interface files (e.g. in '-c' mode)
    • False: search source files (e.g. in '--make' mode)

  9. hscTcRcLookupName :: HscEnv -> Name -> IO (Maybe TyThing)

    ghc-lib GHC.Driver.Main

    No documentation available.

  10. hscTcRnLookupRdrName :: HscEnv -> LocatedN RdrName -> IO (NonEmpty Name)

    ghc-lib GHC.Driver.Main

    Lookup things in the compiler's environment

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