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Within LTS Haskell 24.51 (ghc-9.10.3)

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1. maybeQuotes :: Bool -> Doc a -> Doc a

   pretty	Text.PrettyPrint.Annotated.HughesPJ

   Apply quotes to Doc if boolean is true.

2. maybeBraces :: Bool -> Doc -> Doc

   pretty	Text.PrettyPrint.HughesPJ

   Apply braces to Doc if boolean is true.

3. maybeBrackets :: Bool -> Doc -> Doc

   pretty	Text.PrettyPrint.HughesPJ

   Apply brackets to Doc if boolean is true.

4. maybeDoubleQuotes :: Bool -> Doc -> Doc

   pretty	Text.PrettyPrint.HughesPJ

   Apply doubleQuotes to Doc if boolean is true.

5. maybeParens :: Bool -> Doc -> Doc

   pretty	Text.PrettyPrint.HughesPJ

   Apply parens to Doc if boolean is true.

6. maybeQuotes :: Bool -> Doc -> Doc

   pretty	Text.PrettyPrint.HughesPJ

   Apply quotes to Doc if boolean is true.

7. maybeM :: Monad m => m b -> (a -> m b) -> m (Maybe a) -> m b

   extra	Control.Monad.Extra

   Monadic generalisation of maybe.

8. maybeToEither :: a -> Maybe b -> Either a b

   extra	Data.Either.Extra

   Given a Maybe, convert it to an Either, providing a suitable value for the Left should the value be Nothing.

   \a b -> maybeToEither a (Just b) == Right b
   \a -> maybeToEither a Nothing == Left a
   

9. maybeM :: Monad m => m b -> (a -> m b) -> m (Maybe a) -> m b

   extra	Extra

   Monadic generalisation of maybe.

10. maybeToEither :: a -> Maybe b -> Either a b

    extra	Extra

    Given a Maybe, convert it to an Either, providing a suitable value for the Left should the value be Nothing.

    \a b -> maybeToEither a (Just b) == Right b
    \a -> maybeToEither a Nothing == Left a
    

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