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

   rio	RIO.Prelude

   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. imapMaybe :: (Vector v a, Vector v b) => (Int -> a -> Maybe b) -> v a -> v b

   rio	RIO.Vector

   No documentation available.

3. mapMaybe :: (Vector v a, Vector v b) => (a -> Maybe b) -> v a -> v b

   rio	RIO.Vector

   No documentation available.

4. imapMaybe :: (Int -> a -> Maybe b) -> Vector a -> Vector b

   rio	RIO.Vector.Boxed

   No documentation available.

5. mapMaybe :: (a -> Maybe b) -> Vector a -> Vector b

   rio	RIO.Vector.Boxed

   No documentation available.

6. imapMaybe :: (Storable a, Storable b) => (Int -> a -> Maybe b) -> Vector a -> Vector b

   rio	RIO.Vector.Storable

   No documentation available.

7. mapMaybe :: (Storable a, Storable b) => (a -> Maybe b) -> Vector a -> Vector b

   rio	RIO.Vector.Storable

   No documentation available.

8. imapMaybe :: (Unbox a, Unbox b) => (Int -> a -> Maybe b) -> Vector a -> Vector b

   rio	RIO.Vector.Unboxed

   No documentation available.

9. mapMaybe :: (Unbox a, Unbox b) => (a -> Maybe b) -> Vector a -> Vector b

   rio	RIO.Vector.Unboxed

   No documentation available.

10. HDMaybe :: Maybe (HamletMap url) -> HamletData url

    shakespeare	Text.Hamlet.RT

    No documentation available.

Page 165 of many | Previous | Next