Hoogle Search

Within LTS Haskell 24.51 (ghc-9.10.3)

Note that Stackage only displays results for the latest LTS and Nightly snapshot. Learn more.

Exact lookup

1. catMaybes :: [Maybe a] -> [a]

   Cabal-syntax	Distribution.Compat.Prelude

   No documentation available.

2. fromMaybe :: a -> Maybe a -> a

   Cabal-syntax	Distribution.Compat.Prelude

   No documentation available.

3. listToMaybe :: [a] -> Maybe a

   Cabal-syntax	Distribution.Compat.Prelude

   No documentation available.

4. mapMaybe :: (a -> Maybe b) -> [a] -> [b]

   Cabal-syntax	Distribution.Compat.Prelude

   No documentation available.

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

   Cabal-syntax	Distribution.Compat.Prelude

   No documentation available.

6. parseGenericPackageDescriptionMaybe :: ByteString -> Maybe GenericPackageDescription

   Cabal-syntax	Distribution.PackageDescription.Parsec

   Maybe variant of parseGenericPackageDescription

7. parsecMaybeQuoted :: CabalParsing m => m a -> m a

   Cabal-syntax	Distribution.Parsec

   parsecMaybeQuoted p = parsecQuoted p | p.

8. breakMaybe :: (a -> Maybe b) -> [a] -> ([a], Maybe (b, [a]))

   Cabal-syntax	Distribution.Utils.Generic

   Like break, but with Maybe predicate

   >>> breakMaybe (readMaybe :: String -> Maybe Int) ["foo", "bar", "1", "2", "quu"]
   (["foo","bar"],Just (1,["2","quu"]))
   

   >>> breakMaybe (readMaybe :: String -> Maybe Int) ["foo", "bar"]
   (["foo","bar"],Nothing)
   

9. spanMaybe :: (a -> Maybe b) -> [a] -> ([b], [a])

   Cabal-syntax	Distribution.Utils.Generic

   Like span but with Maybe predicate

   >>> spanMaybe listToMaybe [[1,2],[3],[],[4,5],[6,7]]
   ([1,3],[[],[4,5],[6,7]])
   

   >>> spanMaybe (readMaybe :: String -> Maybe Int) ["1", "2", "foo"]
   ([1,2],["foo"])
   

10. accessMaybe :: Indexed sh => Array sh a -> Index sh -> Maybe a

    comfort-array	Data.Array.Comfort.Boxed

    No documentation available.

Page 168 of many | Previous | Next