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1. maybeFields :: Default IfPP b b => b -> (a -> b) -> MaybeFields a -> b

   opaleye	Opaleye.MaybeFields

   The Opaleye analogue of maybe

2. maybeFieldsExplicit :: IfPP b b' -> b -> (a -> b) -> MaybeFields a -> b'

   opaleye	Opaleye.MaybeFields

   No documentation available.

3. maybeFieldsToNullable :: MaybeFields (Field a) -> FieldNullable a

   opaleye	Opaleye.MaybeFields

   Convert nothingFields to NULL to a justFields to non-NULL

4. maybeFieldsToSelect :: SelectArr (MaybeFields a) a

   opaleye	Opaleye.MaybeFields

   The Opaleye analogue of maybeToList. Unless you are using arrow notation you'll probably find catMaybeFields easier to use.

5. maybeReader :: (String -> Maybe a) -> Reader a

   opt-env-conf	OptEnvConf

   Turn a Maybe parsing function into a Reader

6. maybeReader :: (String -> Maybe a) -> Reader a

   opt-env-conf	OptEnvConf.Reader

   Turn a Maybe parsing function into a Reader

7. maybePath :: (AbsRel ar, FileDir fd) => String -> Maybe (Path ar fd)

   pathtype	System.Path

   Deprecated: Use Path.maybe instead.

8. maybePath :: (System os, AbsRel ar, FileDir fd) => String -> Maybe (Path os ar fd)

   pathtype	System.Path.Generic

   Deprecated: Use Path.maybe instead.

9. maybePath :: (AbsRel ar, FileDir fd) => String -> Maybe (Path ar fd)

   pathtype	System.Path.Posix

   Deprecated: Use Path.maybe instead.

10. maybePath :: (AbsRel ar, FileDir fd) => String -> Maybe (Path ar fd)

    pathtype	System.Path.Windows

    Deprecated: Use Path.maybe instead.

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