Package com.github.tonivade.purefun.instances

Interface EitherFoldable<L>

All Superinterfaces:

Foldable<Either<L,?>>

All Known Subinterfaces:

EitherTraverse<L>

interface EitherFoldable<L>
extends Foldable<Either<L,?>>

Field Summary

Fields

Modifier and Type	Field	Description
static final EitherFoldable	INSTANCE

Method Summary

Modifier and Type	Method	Description
default <A, B> B	foldLeft(Kind<Either<L,?>,? extends A> value, B initial, Function2<? super B,? super A,? extends B> mapper)
default <A, B> Eval<B>	foldRight(Kind<Either<L,?>,? extends A> value, Eval<? extends B> initial, Function2<? super A,? super Eval<? extends B>,? extends Eval<? extends B>> mapper)

Methods inherited from interface com.github.tonivade.purefun.typeclasses.Foldable

fold, foldM, foldMap, reduce

Field Details

INSTANCE

static final EitherFoldable INSTANCE

Method Details

foldLeft

default <A,
B> B foldLeft(Kind<Either<L,?>,? extends A> value,
 B initial,
 Function2<? super B,? super A,? extends B> mapper)

Specified by:

foldLeft in interface Foldable<L>

foldRight

default <A,
B> Eval<B> foldRight(Kind<Either<L,?>,? extends A> value,
 Eval<? extends B> initial,
 Function2<? super A,? super Eval<? extends B>,? extends Eval<? extends B>> mapper)

Specified by:

foldRight in interface Foldable<L>