A class of types that are the result of functions that can fail
Methods
hasFailed :: f a -> BoolresultIfSucceeded :: f a -> Maybe a
:: a typeCtrl KGHC 10.0.0.20260917 · lts/ghc-10.0.x · 8c2f8e8 · 2026-10-19
Modulegenvalidity-sydtest-1.0.1.0Haskell2010
A class of types that are the result of functions that can fail
hasFailed :: f a -> BoolresultIfSucceeded :: f a -> Maybe a