com.github.tonivade.purefun.optics

Class Lens<T,R>

java.lang.Object

com.github.tonivade.purefun.optics.Lens<T,R>

public final class Lens<T,R>
extends java.lang.Object

Method Summary

Modifier and Type	Method and Description
<V> Lens<T,V>	compose(Lens<R,V> other)
R	get(T target)
Operator1<T>	modify(Operator1<R> mapper)
Operator1<T>	modify(R newValue)
static <T,R> Lens<T,R>	of(Function1<T,R> getter, Function2<T,R,T> setter)
Function1<R,T>	set(T target)
T	set(T target, R value)

Methods inherited from class java.lang.Object

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

Method Detail

of

public static <T,R> Lens<T,R> of(Function1<T,R> getter,
                                 Function2<T,R,T> setter)

get

public R get(T target)

set

public T set(T target,
             R value)

set

public Function1<R,T> set(T target)

modify

public Operator1<T> modify(Operator1<R> mapper)

modify

public Operator1<T> modify(R newValue)

compose

public <V> Lens<T,V> compose(Lens<R,V> other)