Class Id<A>

java.lang.Object

com.jnape.palatable.lambda.functions.builtin.fn1.Id<A>

Type Parameters:

A - The input/output type

All Implemented Interfaces:

Fn1<A,A>, Applicative<A,Fn1<A,?>>, Cartesian<A,A,Fn1<?,?>>, Cocartesian<A,A,Fn1<?,?>>, Contravariant<A, Profunctor<?,A,Fn1<?,?>>>, Functor<A,Fn1<A,?>>, Profunctor<A,A,Fn1<?,?>>, Monad<A,Fn1<A,?>>, MonadReader<A,A,Fn1<A,?>>, MonadRec<A,Fn1<A,?>>, MonadWriter<A,A,Fn1<A,?>>

public final class Id<A>
extends Object
implements Fn1<A,A>

The identity function.

Field Summary

Fields

Modifier and Type	Field	Description
private static final Id<?>	INSTANCE

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Id()

Method Summary

Modifier and Type	Method	Description
A	checkedApply(A a)	Invoke this function with the given argument, potentially throwing any Throwable.
static <A> Id<A>	id()
static <A> A	id(A a)

Methods inherited from class Object

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

Methods inherited from interface Fn1

andThen, apply, carry, cartesian, censor, choose, cocartesian, compose, contraMap, diMap, diMapL, diMapR, discardL, discardR, flatMap, fmap, lazyZip, listens, local, pure, self, thunk, toFunction, trampolineM, widen, zip, zip

Methods inherited from interface Functor

coerce

Field Details

INSTANCE

private static final Id<?> INSTANCE

Constructor Details

Id

private Id()

Method Details

checkedApply

public A checkedApply(A a)

Description copied from interface: Fn1

Invoke this function with the given argument, potentially throwing any Throwable.

Specified by:

checkedApply in interface Fn1<A,A>

Parameters:

a - the argument

Returns:

the result of the function application

id

public static <A> Id<A> id()

id

public static <A> A id(A a)