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Within LTS Haskell 24.12 (ghc-9.10.3)

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Exact lookup

1. lookupGE :: Enum k => k -> EnumSet k -> Maybe k

   enummapset	Data.EnumSet

   No documentation available.

2. lookupGT :: Enum k => k -> EnumSet k -> Maybe k

   enummapset	Data.EnumSet

   No documentation available.

3. lookupLE :: Enum k => k -> EnumSet k -> Maybe k

   enummapset	Data.EnumSet

   No documentation available.

4. lookupLT :: Enum k => k -> EnumSet k -> Maybe k

   enummapset	Data.EnumSet

   No documentation available.

5. lookupIPE :: Ptr StgInfoTable -> IO (Maybe InfoProv)

   ghc-internal	GHC.Internal.InfoProv.Types

   No documentation available.

6. lookupEnv :: String -> IO (Maybe String)

   ghc-internal	GHC.Internal.System.Environment

   Return the value of the environment variable var, or Nothing if there is no such value. For POSIX users, this is equivalent to getEnv.

7. lookupKey :: Text -> KeyMap v -> Maybe v

   openapi3	Data.OpenApi.Aeson.Compat

   No documentation available.

8. lookupTypeNameWithLocals :: DsMonad q => String -> q (Maybe Name)

   th-desugar	Language.Haskell.TH.Desugar

   Like lookupTypeName from Template Haskell, but looks also in Names of not-yet-typechecked declarations. To establish this list of not-yet-typechecked declarations, use withLocalDeclarations. Returns Nothing if no type with the same name can be found.

9. lookupValueNameWithLocals :: DsMonad q => String -> q (Maybe Name)

   th-desugar	Language.Haskell.TH.Desugar

   Like lookupValueName from Template Haskell, but looks also in Names of not-yet-typechecked declarations. To establish this list of not-yet-typechecked declarations, use withLocalDeclarations. Returns Nothing if no value with the same name can be found.

10. lookupAt :: Index -> OMap k v -> Maybe (k, v)

    th-desugar	Language.Haskell.TH.Desugar.OMap

    No documentation available.

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