Package com.github.tonivade.purefun.instances

Interface WriterMonad<L>

All Superinterfaces:

Applicative<Writer<L,?>>, Functor<Writer<L,?>>, Invariant<Writer<L,?>>, Monad<Writer<L,?>>, Selective<Writer<L,?>>

interface WriterMonad<L>
extends Monad<Writer<L,?>>

Nested Class Summary

Nested classes/interfaces inherited from interface com.github.tonivade.purefun.typeclasses.Applicative

Applicative.Map2<F extends Kind<F,?>,A,B>, Applicative.Map3<F extends Kind<F,?>,A,B,C>, Applicative.Map4<F extends Kind<F,?>,A,B,C,D>, Applicative.Map5<F extends Kind<F,?>,A,B,C,D,E>

Method Summary

Modifier and Type	Method	Description
default <T, R> Writer<L,R>	flatMap(Kind<Writer<L,?>,? extends T> value, Function1<? super T,? extends Kind<Writer<L,?>,? extends R>> map)
static <L> WriterMonad<L>	instance(Monoid<L> monoid)
Monoid<L>	monoid()
default <T> Writer<L,T>	pure(T value)

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

first, last, mapN, mapN, mapN, mapN, mapN, mapN, mapN, mapN, tuple, tuple, tuple, tuple

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

imap, lift

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

andThen, ap, flatten, map, select, tailRecM, use

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

allS, allS, andS, anyS, anyS, branch, ifS, orS, whenS

Method Details

instance

static <L> WriterMonad<L> instance(Monoid<L> monoid)

monoid

Monoid<L> monoid()

pure

default <T> Writer<L,T> pure(T value)

Specified by:

pure in interface Applicative<L>

flatMap

default <T,
R> Writer<L,R> flatMap(Kind<Writer<L,?>,? extends T> value,
 Function1<? super T,? extends Kind<Writer<L,?>,? extends R>> map)

Specified by:

flatMap in interface Monad<L>