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1. readMaybe :: Read a => String -> Maybe a

   base-prelude	BasePrelude

   Parse a string using the Read instance. Succeeds if there is exactly one valid result.

   >>> readMaybe "123" :: Maybe Int
   Just 123
   

   >>> readMaybe "hello" :: Maybe Int
   Nothing
   

2. getMaybeValue :: CollectErrors es v -> Maybe v

   collect-errors	Control.CollectErrors

   No documentation available.

3. getMaybeValue :: CollectErrors es v -> Maybe v

   collect-errors	Control.CollectErrors.Type

   No documentation available.

4. decToMaybe :: Dec a -> Maybe a

   dec	Data.Type.Dec

   Convert Dec a to Maybe a, forgetting the No evidence.

5. class HasMaybeLength e

   elynx-tree	ELynx.Tree.Length

   Class of data types that may have a length.

6. getMaybeLength :: HasMaybeLength e => e -> Maybe Length

   elynx-tree	ELynx.Tree.Length

   No documentation available.

7. class HasMaybeSupport e

   elynx-tree	ELynx.Tree.Support

   Class of data types that may have a support value.

8. getMaybeSupport :: HasMaybeSupport e => e -> Maybe Support

   elynx-tree	ELynx.Tree.Support

   No documentation available.

9. toMaybe :: Process e a -> Maybe e

   ghc-events	GHC.RTS.Events.Analysis

   No documentation available.

10. fetchMaybe :: (HasCallStack, MonadDB m, MonadThrow m, FromRow row) => (row -> t) -> m (Maybe t)

    hpqtypes	Database.PostgreSQL.PQTypes.Fold

    Specialization of foldlDB that fetches one or zero rows. If more rows are delivered, AffectedRowsMismatch exception is thrown.

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