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Within LTS Haskell 24.6 (ghc-9.10.2)
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firstJust :: Maybe a -> Maybe a -> Maybe aghc GHC.Data.Maybe No documentation available.
firstJusts :: Foldable f => f (Maybe a) -> Maybe aghc GHC.Data.Maybe Takes a list of Maybes and returns the first Just if there is one, or Nothing otherwise.
firstJustsM :: (Monad m, Foldable f) => f (m (Maybe a)) -> m (Maybe a)ghc GHC.Data.Maybe Takes computations returnings Maybes; tries each one in order. The first one to return a Just wins. Returns Nothing if all computations return Nothing.
firstPat :: EquationInfoNE -> Pat GhcTcghc GHC.HsToCore.Utils No documentation available.
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ghc GHC.Types.Basic Tags are allocated from here for real constructors or for superclass selectors
firstDataDefnCon :: DataDefnCons a -> Maybe aghc Language.Haskell.Syntax.Decls Retrieve the first data constructor in a DataDefnCons (if one exists).
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regex-tdfa Text.Regex.TDFA.CorePattern No documentation available.
firstChildWithLocalName :: Text -> Element -> Maybe Elementhaskell-gi Data.GI.GIR.XMLUtils Find the first child element with the given name.
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data-accessor Data.Accessor.Tuple Access to the first value of a triple.
firstM :: Monad m => (a -> m Bool) -> [a] -> m (Maybe a)monad-loops Control.Monad.Loops return the first value from a list, if any, satisfying the given predicate.