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GHC 9.10.3 · lts/ghc-9.10.x · c74966e · 2026-09-27

Modulereducers-3.12.5Haskell2010

Data.Semigroup.Alt

A semigroup for working Alt or Plus

  • 1 type
  • Packagereducers-3.12.5
  • Exports1
  • LanguageHaskell2010
  • LicenceBSD-3-Clause
  • SourceAlt.hs
newtypenewtype Alter (f :: Type -> Type) a
#

A Alter turns any Alt instance into a Semigroup.

Constructors

Instances6Functor, Alt, Plus, Reducer, Semigroup, Monoid
  • Functor f => Functor (Alter f)Defined in reducers-3.12.5 · Data.Semigroup.Alt
  • Alt f => Alt (Alter f)Defined in reducers-3.12.5 · Data.Semigroup.Alt
  • Plus f => Plus (Alter f)Defined in reducers-3.12.5 · Data.Semigroup.Alt
  • Alt f => Reducer (f a) (Alter f a)Defined in reducers-3.12.5 · Data.Semigroup.Alt
  • Alt f => Semigroup (Alter f a)Defined in reducers-3.12.5 · Data.Semigroup.Alt
  • Plus f => Monoid (Alter f a)Defined in reducers-3.12.5 · Data.Semigroup.Alt