Class Last<A>
- java.lang.Object
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- com.jnape.palatable.lambda.monoid.builtin.Last<A>
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- Type Parameters:
A
- the Maybe value parameter type
- All Implemented Interfaces:
Fn1<Maybe<A>,Fn1<Maybe<A>,Maybe<A>>>
,Fn2<Maybe<A>,Maybe<A>,Maybe<A>>
,Applicative<Fn1<Maybe<A>,Maybe<A>>,Fn1<Maybe<A>,?>>
,Cartesian<Maybe<A>,Fn1<Maybe<A>,Maybe<A>>,Fn1<?,?>>
,Cocartesian<Maybe<A>,Fn1<Maybe<A>,Maybe<A>>,Fn1<?,?>>
,Contravariant<Maybe<A>,Profunctor<?,Fn1<Maybe<A>,Maybe<A>>,Fn1<?,?>>>
,Functor<Fn1<Maybe<A>,Maybe<A>>,Fn1<Maybe<A>,?>>
,Profunctor<Maybe<A>,Fn1<Maybe<A>,Maybe<A>>,Fn1<?,?>>
,Monad<Fn1<Maybe<A>,Maybe<A>>,Fn1<Maybe<A>,?>>
,MonadReader<Maybe<A>,Fn1<Maybe<A>,Maybe<A>>,Fn1<Maybe<A>,?>>
,MonadRec<Fn1<Maybe<A>,Maybe<A>>,Fn1<Maybe<A>,?>>
,MonadWriter<Maybe<A>,Fn1<Maybe<A>,Maybe<A>>,Fn1<Maybe<A>,?>>
,Monoid<Maybe<A>>
,Semigroup<Maybe<A>>
public final class Last<A> extends java.lang.Object implements Monoid<Maybe<A>>
AMonoid
instance formed by
. The application to twoMaybe
<A>Maybe
values produces the last non-empty value, orMaybe.nothing()
if all values are empty.
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Constructor Summary
Constructors Modifier Constructor Description private
Last()
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description Maybe<A>
checkedApply(Maybe<A> x, Maybe<A> y)
Maybe<A>
identity()
The identity element of this monoid.static <A> Last<A>
last()
static <A> Fn1<Maybe<A>,Maybe<A>>
last(Maybe<A> x)
static <A> Maybe<A>
last(Maybe<A> x, Maybe<A> y)
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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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
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Methods inherited from interface com.jnape.palatable.lambda.functions.Fn2
apply, apply, checkedApply, compose, contraMap, diMapL, discardR, toBiFunction, uncurry, widen
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Methods inherited from interface com.jnape.palatable.lambda.monoid.Monoid
flip, foldLeft, foldMap, foldRight, reduceLeft, reduceRight
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