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Within LTS Haskell 24.5 (ghc-9.10.2)

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  1. Narrow8WordOp :: PrimOp

    ghc GHC.Builtin.PrimOps

    No documentation available.

  2. ccArrowTyCon :: TyCon

    ghc GHC.Builtin.Types.Prim

    No documentation available.

  3. ccArrowTyConName :: Name

    ghc GHC.Builtin.Types.Prim

    No documentation available.

  4. ctArrowTyCon :: TyCon

    ghc GHC.Builtin.Types.Prim

    No documentation available.

  5. ctArrowTyConName :: Name

    ghc GHC.Builtin.Types.Prim

    No documentation available.

  6. isArrowTyCon :: TyCon -> Bool

    ghc GHC.Builtin.Types.Prim

    No documentation available.

  7. tcArrowTyCon :: TyCon

    ghc GHC.Builtin.Types.Prim

    No documentation available.

  8. tcArrowTyConName :: Name

    ghc GHC.Builtin.Types.Prim

    No documentation available.

  9. narrowS :: Width -> Integer -> Integer

    ghc GHC.Cmm.Type

    Narrow a signed value to the given width. The result will reside in [-2^(width-1), +2^(width-1)). 

    >>> narrowS W8 256    == 0

>>> narrowS W8 255    == -1

>>> narrowS W8 128    == -128

>>> narrowS W8 127    == 127

>>> narrowS W8 0      == 0

>>> narrowS W8 (-127) == -127

>>> narrowS W8 (-128) == -128

>>> narrowS W8 (-129) == 127

>>> narrowS W8 (-255) == 1

>>> narrowS W8 (-256) == 0

  10. narrowU :: Width -> Integer -> Integer

    ghc GHC.Cmm.Type

    Narrow a signed or unsigned value to the given width. The result will reside in [0, +2^width). 

    >>> narrowU W8 256    == 256

>>> narrowU W8 255    == 255

>>> narrowU W8 128    == 128

>>> narrowU W8 127    == 127

>>> narrowU W8 0      == 0

>>> narrowU W8 (-127) == 129

>>> narrowU W8 (-128) == 128

>>> narrowU W8 (-129) == 127

>>> narrowU W8 (-255) == 1

>>> narrowU W8 (-256) == 0

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