Package com.jnape.palatable.lambda.monoid.builtin

Class Endo<A>

java.lang.Object

com.jnape.palatable.lambda.monoid.builtin.Endo<A>

Type Parameters:

A - the input/output type to the Fn1

All Implemented Interfaces:

Fn1<Fn1<A,A>,Fn1<Fn1<A,A>,Fn1<A,A>>>, Fn2<Fn1<A,A>,Fn1<A,A>,Fn1<A,A>>, Applicative<Fn1<Fn1<A,A>,Fn1<A,A>>,Fn1<Fn1<A,A>,?>>, Cartesian<Fn1<A,A>,Fn1<Fn1<A,A>,Fn1<A,A>>,Fn1<?,?>>, Cocartesian<Fn1<A,A>,Fn1<Fn1<A,A>,Fn1<A,A>>,Fn1<?,?>>, Contravariant<Fn1<A,A>,Profunctor<?,Fn1<Fn1<A,A>,Fn1<A,A>>,Fn1<?,?>>>, Functor<Fn1<Fn1<A,A>,Fn1<A,A>>,Fn1<Fn1<A,A>,?>>, Profunctor<Fn1<A,A>,Fn1<Fn1<A,A>,Fn1<A,A>>,Fn1<?,?>>, Monad<Fn1<Fn1<A,A>,Fn1<A,A>>,Fn1<Fn1<A,A>,?>>, MonadReader<Fn1<A,A>,Fn1<Fn1<A,A>,Fn1<A,A>>,Fn1<Fn1<A,A>,?>>, MonadRec<Fn1<Fn1<A,A>,Fn1<A,A>>,Fn1<Fn1<A,A>,?>>, MonadWriter<Fn1<A,A>,Fn1<Fn1<A,A>,Fn1<A,A>>,Fn1<Fn1<A,A>,?>>, Monoid<Fn1<A,A>>, Semigroup<Fn1<A,A>>

public final class Endo<A>
extends Object
implements Monoid<Fn1<A,A>>

A Monoid formed by Fn1 under composition.

Field Summary

Fields

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

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Endo()

Method Summary

Modifier and Type	Method	Description
Fn2<Fn1<A,A>,A,A>	apply(Fn1<A,A> f)	Partially apply this function by passing its first argument.
A	apply(Fn1<A,A> f, Fn1<A,A> g, A a)
Fn1<A,A>	checkedApply(Fn1<A,A> f, Fn1<A,A> g)
static <A> Endo<A>	endo()
static <A> Fn2<Fn1<A,A>,A,A>	endo(Fn1<A,A> f)
static <A> Fn1<A,A>	endo(Fn1<A,A> f, Fn1<A,A> g)
static <A> A	endo(Fn1<A,A> f, Fn1<A,A> g, A a)
Fn1<A,A>	identity()	The identity element of this monoid.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.jnape.palatable.lambda.functions.Fn1

andThen, carry, cartesian, censor, choose, cocartesian, diMap, diMapR, discardL, flatMap, fmap, lazyZip, listens, local, pure, self, thunk, toFunction, trampolineM, zip, zip

Methods inherited from interface com.jnape.palatable.lambda.functions.Fn2

apply, checkedApply, compose, contraMap, diMapL, discardR, toBiFunction, uncurry, widen

Methods inherited from interface com.jnape.palatable.lambda.functor.Functor

coerce

Methods inherited from interface com.jnape.palatable.lambda.monoid.Monoid

flip, foldLeft, foldMap, foldRight, reduceLeft, reduceRight

Field Details

INSTANCE

private static final Endo<?> INSTANCE

Constructor Details

Endo

private Endo()

Method Details

apply

public A apply(Fn1<A,A> f,
 Fn1<A,A> g,
 A a)

identity

public Fn1<A,A> identity()

Description copied from interface: Monoid

The identity element of this monoid.

Specified by:

identity in interface Monoid<A>

Returns:

the identity

checkedApply

public Fn1<A,A> checkedApply(Fn1<A,A> f,
 Fn1<A,A> g)

Specified by:

checkedApply in interface Fn2<Fn1<A,A>,Fn1<A,A>,Fn1<A,A>>

apply

public Fn2<Fn1<A,A>,A,A> apply(Fn1<A,A> f)

Description copied from interface: Fn2

Partially apply this function by passing its first argument.

Specified by:

apply in interface Fn1<Fn1<A,A>,Fn1<Fn1<A,A>,Fn1<A,A>>>

Specified by:

apply in interface Fn2<Fn1<A,A>,Fn1<A,A>,Fn1<A,A>>

Parameters:

f - the first argument

Returns:

an Fn1<B, C>

endo

public static <A> Endo<A> endo()

endo

public static <A> Fn2<Fn1<A,A>,A,A> endo(Fn1<A,A> f)

endo

public static <A> Fn1<A,A> endo(Fn1<A,A> f,
 Fn1<A,A> g)

endo

public static <A> A endo(Fn1<A,A> f,
 Fn1<A,A> g,
 A a)