MaybePrism

java.lang.Object

com.jnape.palatable.lambda.optics.prisms.MaybePrism

public final class MaybePrism extends Object

Prisms for Maybe.

Constructor Summary

Constructors

Modifier

Constructor

Description

private

MaybePrism()
Method Summary

Modifier and Type

Method

Description

static <A,B> Prism<Maybe<A>,Maybe<B>,A,B>

_just()

A Prism that focuses on present values in a Maybe.

static <A> Prism.Simple<Maybe<A>,Unit>

_nothing()

A Prism that focuses on absent values in a Maybe, for symmetry.

Methods inherited from class Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- MaybePrism
  
  private MaybePrism()
Method Details
- _just
  
  public static <A,B> Prism<Maybe<A>,Maybe<B>,A,B> _just()
  
  A Prism that focuses on present values in a Maybe.
  
  Type Parameters:
  
  A - Maybe the input value
  
  B - Maybe the output value
  
  Returns:
  
  the Prism
- _nothing
  
  public static <A> Prism.Simple<Maybe<A>,Unit> _nothing()
  
  A Prism that focuses on absent values in a Maybe, for symmetry.
  
  Type Parameters:
  
  A - Maybe the input and output value
  
  Returns:
  
  the Prism