Class Reader<A,B>

java.lang.Object

fj.data.Reader<A,B>

public class Reader<A,B>
extends Object

The Reader monad (also called the function monad, so equivalent to the idea of F).

Field Summary

Fields

Modifier and Type	Field	Description
private final F<A,B>	function

Constructor Summary

Constructors

Constructor	Description
Reader(F<A,B> f)

Method Summary

Modifier and Type	Method	Description
final <C> Reader<A,C>	andThen(F<B,C> f)
final <C> Reader<A,C>	bind(F<B, Reader<A,C>> f)
static <A,B> Reader<A,B>	constant(B b)
final B	f(A a)
final <C> Reader<A,C>	flatMap(F<B, Reader<A,C>> f)
final F<A,B>	getFunction()
final <C> Reader<A,C>	map(F<B,C> f)
static <A,B> Reader<A,B>	unit(F<A,B> f)

Methods inherited from class Object

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

Field Details

function

private final F<A,B> function

Constructor Details

Reader

public Reader(F<A,B> f)

Method Details

getFunction

public final F<A,B> getFunction()

unit

public static <A,B> Reader<A,B> unit(F<A,B> f)

constant

public static <A,B> Reader<A,B> constant(B b)

f

public final B f(A a)

map

public final <C> Reader<A,C> map(F<B,C> f)

andThen

public final <C> Reader<A,C> andThen(F<B,C> f)

flatMap

public final <C> Reader<A,C> flatMap(F<B, Reader<A,C>> f)

bind

public final <C> Reader<A,C> bind(F<B, Reader<A,C>> f)