fj.data

Class List.Optic

java.lang.Object

fj.data.List.Optic

Enclosing class:

List<A>

public static final class List.Optic
extends java.lang.Object

Optic factory methods for a List

Method Summary

Modifier and Type	Method and Description
static <A> Prism<List<A>,P2<A,List<A>>>	cons() Cons prism
static <A> Optional<List<A>,A>	head() Optional targeted on Cons head.
static <A> Prism<List<A>,Unit>	nil() Nil prism
static <A,B> PTraversal<List<A>,List<B>,A,B>	pTraversal() Polymorphic traversal
static <A> Optional<List<A>,List<A>>	tail() Optional targeted on Cons tail.
static <A> Traversal<List<A>,A>	traversal() Monomorphic traversal

Methods inherited from class java.lang.Object

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

Method Detail

pTraversal

public static <A,B> PTraversal<List<A>,List<B>,A,B> pTraversal()

Polymorphic traversal

traversal

public static <A> Traversal<List<A>,A> traversal()

Monomorphic traversal

head

public static <A> Optional<List<A>,A> head()

Optional targeted on Cons head.

tail

public static <A> Optional<List<A>,List<A>> tail()

Optional targeted on Cons tail.

nil

public static <A> Prism<List<A>,Unit> nil()

Nil prism

cons

public static <A> Prism<List<A>,P2<A,List<A>>> cons()

Cons prism