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GHC 10.0.0.20260917 · lts/ghc-10.0.x · 8fef28d · 2026-11-02

Modulegenvalidity-property-1.0.0.0Haskell2010

Test.Validity.Types

Synopsis

class CanFail

Packagegenvalidity-property-1.0.0.0
Exports1
LanguageHaskell2010
LicenceMIT
SourceTypes.hs

classclass CanFail (f :: Type -> Type) where

A class of types that are the result of functions that can fail

Methods

hasFailed :: f a -> Bool
resultIfSucceeded :: f a -> Maybe a

Instances2CanFail

CanFail MaybeDefined in genvalidity-property-1.0.0.0 · Test.Validity.Types
CanFail (Either e)Defined in genvalidity-property-1.0.0.0 · Test.Validity.Types