Hoogle Search

Within LTS Haskell 24.39 (ghc-9.10.3)

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

  1. getTypeWithMaybeSubst :: TyVarBndrUnit -> Maybe Type -> Q Type

    grisette Grisette.Internal.TH.Util

    Get a type with a possible substitution.

  2. toMaybe :: Result a -> Maybe a

    hakyll Hakyll.Core.Store

    Convert result to Maybe

  3. mapMaybe :: Ord k => (a -> Maybe b) -> Map k a -> Map k b

    hashmap Data.HashMap

    Map values and collect the Just results.

  4. mapMaybeWithKey :: Ord k => (k -> a -> Maybe b) -> Map k a -> Map k b

    hashmap Data.HashMap

    Map keys/values and collect the Just results.

  5. noMaybeBox :: (Param p, Eq p) => Maybe p -> [ParamBox]

    haskoin-store-data Haskoin.Store.WebCommon

    No documentation available.

  6. getFieldMaybe :: forall (m :: Type -> Type) a . (MonadFail m, XmlRpcType a) => String -> [(String, Value)] -> Err m (Maybe a)

    haxr Network.XmlRpc.Internals

    Get a field value from a (possibly heterogeneous) struct.

  7. projectConfigFromMaybe :: FilePath -> Maybe FilePath -> CradleProjectConfig

    hie-bios HIE.Bios.Cradle.ProjectConfig

    Create an explicit project configuration. Expects a working directory followed by an optional name of the project configuration.

  8. fromMaybeBin :: forall b (v :: Type -> Type) a . (Bin b, Vector v a) => Histogram v (MaybeBin b) a -> Histogram v b a

    histogram-fill Data.Histogram.Bin.MaybeBin

    Drop bin with no events

  9. ByMaybeAttr :: WhyNullable

    hledger-web Hledger.Web.Import

    No documentation available.

  10. FieldAttrMaybe :: FieldAttr

    hledger-web Hledger.Web.Import

    The Maybe keyword goes after the type. This indicates that the column is nullable, and the generated Haskell code will have a Maybe type for it. Example: 

    User
name Text Maybe

Page 273 of many | Previous | Next