de.flapdoodle.formula.calculate.functions

Interface FN1<A,R>

All Superinterfaces:

Function<A,R>

All Known Implementing Classes:

FN1.FN1checkNull, FN1.FN1Identity, FN1.FN1WithLabel, FN1.FN1wrapF1, ImmutableFN1checkNull, ImmutableFN1Identity, ImmutableFN1WithLabel, ImmutableFN1wrapF1

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface FN1<A,R>
extends Function<A,R>

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	FN1.FN1checkNull<A,R>
static class	FN1.FN1Identity<X>
static class	FN1.FN1WithLabel<A,R>
static class	FN1.FN1wrapF1<A,R>

Method Summary

Modifier and Type	Method and Description
R	apply(A a)
static <A,R> FN1.FN1checkNull<A,R>	checkNull(F1<A,R> delegate, Object labelA)
static <X> FN1<X,X>	identity()
static <A,R> FN1.FN1wrapF1<A,R>	mapOnlyIfNotNull(F1<A,R> delegate)
static <A,R> FN1.FN1WithLabel<A,R>	withLabel(FN1<A,R> delegate, String label)

Methods inherited from interface java.util.function.Function

andThen, compose

Method Detail

apply

@Nullable
R apply(@Nullable
                  A a)

Specified by:

apply in interface Function<A,R>

identity

static <X> FN1<X,X> identity()

Specified by:

identity in interface Function<A,R>

withLabel

static <A,R> FN1.FN1WithLabel<A,R> withLabel(FN1<A,R> delegate,
                                             String label)

mapOnlyIfNotNull

static <A,R> FN1.FN1wrapF1<A,R> mapOnlyIfNotNull(F1<A,R> delegate)

checkNull

static <A,R> FN1.FN1checkNull<A,R> checkNull(F1<A,R> delegate,
                                             Object labelA)