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Within LTS Haskell 24.20 (ghc-9.10.3)

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Exact lookup

1. lookupJust :: (Eq a, Partial) => a -> [(a, b)] -> b

   safe	Safe

   lookupJust key = fromJust . lookup key
   

2. lookupJustDef :: Eq a => b -> a -> [(a, b)] -> b

   safe	Safe

   No documentation available.

3. lookupJustNote :: (Partial, Eq a) => String -> a -> [(a, b)] -> b

   safe	Safe

   No documentation available.

4. findJust :: (Partial, Foldable t) => (a -> Bool) -> t a -> a

   safe	Safe.Foldable

   findJust op = fromJust . find op
   

5. findJustDef :: Foldable t => a -> (a -> Bool) -> t a -> a

   safe	Safe.Foldable

   No documentation available.

6. findJustNote :: (Partial, Foldable t) => String -> (a -> Bool) -> t a -> a

   safe	Safe.Foldable

   No documentation available.

7. findJustSafe :: (Monoid m, Foldable t) => (m -> Bool) -> t m -> m

   safe	Safe.Foldable

   Deprecated: Use findJustDef mempty instead.

8. catchJust_ :: (SomeException -> Maybe b) -> IO a -> (b -> IO a) -> IO a

   extra	Control.Exception.Extra

   Like catch_ but for catchJust

9. handleJust_ :: (SomeException -> Maybe b) -> (b -> IO a) -> IO a -> IO a

   extra	Control.Exception.Extra

   Like catch_ but for handleJust

10. tryJust_ :: (SomeException -> Maybe b) -> IO a -> IO (Either b a)

    extra	Control.Exception.Extra

    Like catch_ but for tryJust

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