Package eu.bandm.tools.ops

Class Statefuls

java.lang.Object

eu.bandm.tools.ops.Statefuls

public abstract class Statefuls
extends Object

Library of constants and combinators for classes implementing Stateful.

Method Summary

Modifier and Type	Method	Description
static <S, A> Function<Stateful<S,A>,Stateful<S,A>>	jump(S state)
static <S, A, B> Function<Stateful<S,A>,Stateful<S,B>>	map(Function<? super A,? extends B> fun)
static <S, A, B> Function<Stateful<S,A>,Stateful<S,A>>	produceConsume(BiFunction<? super S,? super A,? extends B> prod, Consumer<? super B,A> cons)
static <S, A, B, C, D> Function<Stateful<S,A>,Stateful<S,D>>	sequence(Function<Stateful<S,A>,? extends Stateful<S,B>> first, Function<Stateful<S,A>,? extends Stateful<S,C>> second, BiFunction<? super B,? super C,? extends D> combine)
static <S, A> Stateful<S,A>	stateful(S state, A value)
static <S, A> Function<Stateful<S,A>,Stateful<S,A>>	transit(Function<? super S,? extends S> fun)
static <S, A> Function<Stateful<S,?>,Stateful<S,A>>	yield(A value)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

stateful

public static <S,
A> Stateful<S,A> stateful(S state,
 A value)

yield

public static <S,
A>
Function<Stateful<S,?>,Stateful<S,A>> yield(A value)

jump

public static <S,
A>
Function<Stateful<S,A>,Stateful<S,A>> jump(S state)

transit

public static <S,
A>
Function<Stateful<S,A>,Stateful<S,A>> transit(Function<? super S,? extends S> fun)

map

public static <S,
A,
B>
Function<Stateful<S,A>,Stateful<S,B>> map(Function<? super A,? extends B> fun)

sequence

public static <S,
A,
B,
C,
D>
Function<Stateful<S,A>,Stateful<S,D>> sequence(Function<Stateful<S,A>,? extends Stateful<S,B>> first,
 Function<Stateful<S,A>,? extends Stateful<S,C>> second,
 BiFunction<? super B,? super C,? extends D> combine)

produceConsume

public static <S,
A,
B>
Function<Stateful<S,A>,Stateful<S,A>> produceConsume(BiFunction<? super S,? super A,? extends B> prod,
 Consumer<? super B,A> cons)