Package com.github.tonivade.purefun.optics

Class Lens<S,A>

java.lang.Object

com.github.tonivade.purefun.optics.Lens<S,A>

public final class Lens<S,A>
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
private final PLens<S,S,A,A>	delegate

Constructor Summary

Constructors

Constructor	Description
Lens(PLens<S,S,A,A> delegate)

Method Summary

Modifier and Type	Method	Description
Optional<S,A>	asOptional()
<B> Lens<S,B>	compose(Iso<A,B> other)
<B> Lens<S,B>	compose(Lens<A,B> other)
<B> Optional<S,B>	compose(Optional<A,B> other)
<B> Optional<S,B>	compose(Prism<A,B> other)
A	get(S target)
Operator1<S>	modify(A newValue)
Operator1<S>	modify(Operator1<A> mapper)
static <S, A> Lens<S,A>	of(Function1<S,A> getter, Function2<S,A,S> setter)
Function1<A,S>	set(S target)
S	set(S target, A value)

Methods inherited from class java.lang.Object

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

Field Details

delegate

private final PLens<S,S,A,A> delegate

Constructor Details

Lens

Lens(PLens<S,S,A,A> delegate)

Method Details

of

public static <S,
A> Lens<S,A> of(Function1<S,A> getter,
 Function2<S,A,S> setter)

get

public A get(S target)

set

public S set(S target,
 A value)

set

public Function1<A,S> set(S target)

modify

public Operator1<S> modify(Operator1<A> mapper)

modify

public Operator1<S> modify(A newValue)

asOptional

public Optional<S,A> asOptional()

compose

public <B> Lens<S,B> compose(Lens<A,B> other)

compose

public <B> Optional<S,B> compose(Optional<A,B> other)

compose

public <B> Lens<S,B> compose(Iso<A,B> other)

compose

public <B> Optional<S,B> compose(Prism<A,B> other)