fj

Class Effect<A>

java.lang.Object

fj.Effect<A>

public abstract class Effect<A>
extends java.lang.Object

Represents a side-effect.

Constructor Summary

Constructors

Constructor and Description
Effect()

Method Summary

Methods

Modifier and Type	Method and Description
<B> Effect<B>	comap(F<B,A> f) A contra-variant functor on effect.
F<A,Unit>	e() Returns a function for the given effect.
abstract void	e(A a)
static <A> Effect<A>	f(F<A,Unit> f)

Methods inherited from class java.lang.Object

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

Constructor Detail

Effect

public Effect()

Method Detail

e

public abstract void e(A a)

e

public final F<A,Unit> e()

Returns a function for the given effect.

Returns:

The function using the given effect.

comap

public final <B> Effect<B> comap(F<B,A> f)

A contra-variant functor on effect.

Parameters:

f - The function to map over the effect.

Returns:

An effect after a contra-variant map.

f

public static <A> Effect<A> f(F<A,Unit> f)