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1. fromEnum :: Enum a => a -> Int

   ghc-lib-parser	GHC.Prelude.Basic

   Convert to an Int. It is implementation-dependent what fromEnum returns when applied to a value that is too large to fit in an Int.

2. toEnum :: Enum a => Int -> a

   ghc-lib-parser	GHC.Prelude.Basic

   Convert from an Int.

3. execLineNumber :: ExecOptions -> Int

   ghc-lib-parser	GHC.Runtime.Eval.Types

   line number (for errors)

4. hdTagToEnum :: FastString

   ghc-lib-parser	GHC.StgToJS.Symbols

   No documentation available.

5. DerivErrEnumOrProduct :: DeriveInstanceErrReason -> DeriveInstanceErrReason -> DeriveInstanceErrReason

   ghc-lib-parser	GHC.Tc.Errors.Types

   We couldn't derive an instance either because the type was not an enum type or because it did have more than one constructor.

6. DerivErrMustBeEnumType :: TyCon -> DeriveInstanceErrReason

   ghc-lib-parser	GHC.Tc.Errors.Types

   The given TyCon must be an enumeration. See Note [Enumeration types] in GHC.Core.TyCon

7. TcRnNegativeNumTypeLiteral :: HsTyLit GhcPs -> TcRnMessage

   ghc-lib-parser	GHC.Tc.Errors.Types

   TcRnNegativeNumTypeLiteral is an error that occurs whenever a type-level number literal is negative. type Neg = -1 Test cases: th/T8412 typecheckshould_failT8306

8. TcRnTagToEnumMissingValArg :: TcRnMessage

   ghc-lib-parser	GHC.Tc.Errors.Types

   TcRnTagToEnumMissingValArg is an error that occurs when the 'tagToEnum#' function is not applied to a single value argument. Example(s): tagToEnum# 1 2 Test cases: None

9. TcRnTagToEnumResTyNotAnEnum :: Type -> TcRnMessage

   ghc-lib-parser	GHC.Tc.Errors.Types

   TcRnTagToEnumResTyNotAnEnum is an error that occurs when the 'tagToEnum#' function is given a result type that is not an enumeration type. Example(s): foo :: Int -- not an enumeration TyCon foo = tagToEnum# 0# Test cases: typecheckshould_failtcfail164

10. TcRnTagToEnumResTyTypeData :: Type -> TcRnMessage

    ghc-lib-parser	GHC.Tc.Errors.Types

    TcRnTagToEnumResTyTypeData is an error that occurs when the 'tagToEnum#' function is given a result type that is headed by a type data type, as the data constructors of a type data do not exist at the term level. Example(s): type data Letter = A | B | C foo :: Letter foo = tagToEnum# 0# Test cases: type-datashould_failTDTagToEnum.hs

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