Package com.github.tonivade.purefun.typeclasses

Interface MonadWriter<F extends Kind<F,?>,W>

All Superinterfaces:

Applicative<F>, Functor<F>, Invariant<F>, Monad<F>, Selective<F>

All Known Subinterfaces:

WriterTMonadWriter<F,L>

public interface MonadWriter<F extends Kind<F,?>,W>
extends Monad<F>

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 <A> Kind<F,A>	censor(Kind<F,? extends A> value, Operator1<W> mapper)
<A> Kind<F,Tuple2<W,A>>	listen(Kind<F,? extends A> value)
default <A, B> Kind<F,Tuple2<B,A>>	listens(Kind<F,? extends A> value, Function1<? super W,? extends B> mapper)
<A> Kind<F,A>	pass(Kind<F,Tuple2<Operator1<W>,A>> value)
default Kind<F,Unit>	tell(W writer)
<A> Kind<F,A>	writer(Tuple2<W,A> value)

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

first, last, mapN, mapN, mapN, mapN, mapN, mapN, mapN, mapN, pure, 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, flatMap, 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

writer

<A> Kind<F,A> writer(Tuple2<W,A> value)

listen

<A> Kind<F,Tuple2<W,A>> listen(Kind<F,? extends A> value)

pass

<A> Kind<F,A> pass(Kind<F,Tuple2<Operator1<W>,A>> value)

tell

default Kind<F,Unit> tell(W writer)

listens

default <A,
B> Kind<F,Tuple2<B,A>> listens(Kind<F,? extends A> value,
 Function1<? super W,? extends B> mapper)

censor

default <A> Kind<F,A> censor(Kind<F,? extends A> value,
 Operator1<W> mapper)