Uses of Interface
com.annimon.stream.function.Function

Packages that use Function

Package	Description
com.annimon.stream
com.annimon.stream.function

Uses of Function in com.annimon.stream

Methods in com.annimon.stream that return Function

Modifier and Type	Method and Description
Function<A,R>	Collector.finisher() Function produces result by transforming intermediate type.

Methods in com.annimon.stream with parameters of type Function

Modifier and Type	Method and Description
static <T> Collector<T,?,Double>	Collectors.averaging(Function<? super T,Double> mapper) Deprecated. As of release 1.1.3, replaced by Collectors.averagingDouble(com.annimon.stream.function.ToDoubleFunction)
<K> Stream<List<T>>	Stream.chunkBy(Function<? super T,? extends K> classifier) Partitions Stream into Lists according to the given classifier function.
static <T,A,IR,OR> Collector<T,A,OR>	Collectors.collectingAndThen(Collector<T,A,IR> c, Function<IR,OR> finisher) Returns a Collector that performs additional transformation.
<R> R	DoubleStream.custom(Function<DoubleStream,R> function) Applies custom operator on stream.
<R> R	IntStream.custom(Function<IntStream,R> function) Applies custom operator on stream.
<R> R	LongStream.custom(Function<LongStream,R> function) Applies custom operator on stream.
<R> R	Stream.custom(Function<Stream<T>,R> function) Applies custom operator on stream.
<R> Stream<R>	Stream.flatMap(Function<? super T,? extends Stream<? extends R>> mapper) Returns a stream consisting of the results of replacing each element of this stream with the contents of a mapped stream produced by applying the provided mapping function to each element.
<U> Optional<U>	Optional.flatMap(Function<? super T,Optional<U>> mapper) Invokes mapping function with Optional result if value is present.
static <T,U,A,R> Collector<T,?,R>	Collectors.flatMapping(Function<? super T,? extends Stream<? extends U>> mapper, Collector<? super U,A,R> downstream) Returns a Collector that performs flat-mapping before accumulation.
DoubleStream	Stream.flatMapToDouble(Function<? super T,? extends DoubleStream> mapper) Returns a stream consisting of the results of replacing each element of this stream with the contents of a mapped stream produced by applying the provided mapping function to each element.
IntStream	Stream.flatMapToInt(Function<? super T,? extends IntStream> mapper) Returns a stream consisting of the results of replacing each element of this stream with the contents of a mapped stream produced by applying the provided mapping function to each element.
LongStream	Stream.flatMapToLong(Function<? super T,? extends LongStream> mapper) Returns a stream consisting of the results of replacing each element of this stream with the contents of a mapped stream produced by applying the provided mapping function to each element.
<K> Stream<Map.Entry<K,List<T>>>	Stream.groupBy(Function<? super T,? extends K> classifier) Partitions Stream into Map entries according to the given classifier function.
static <T,K> Collector<T,?,Map<K,List<T>>>	Collectors.groupingBy(Function<? super T,? extends K> classifier) Returns a Collector that performs grouping operation by given classifier.
static <T,K,A,D> Collector<T,?,Map<K,D>>	Collectors.groupingBy(Function<? super T,? extends K> classifier, Collector<? super T,A,D> downstream) Returns a Collector that performs grouping operation by given classifier.
static <T,K,D,A,M extends Map<K,D>> Collector<T,?,M>	Collectors.groupingBy(Function<? super T,? extends K> classifier, Supplier<M> mapFactory, Collector<? super T,A,D> downstream) Returns a Collector that performs grouping operation by given classifier.
<R> Stream<R>	Stream.map(Function<? super T,? extends R> mapper) Returns Stream with elements that obtained by applying the given function.
<U> Optional<U>	Optional.map(Function<? super T,? extends U> mapper) Invokes the given mapping function on inner value if present.
static <T,U,A,R> Collector<T,?,R>	Collectors.mapping(Function<? super T,? extends U> mapper, Collector<? super U,A,R> downstream) Returns a Collector that performs mapping before accumulation.
Exceptional<T>	Exceptional.recoverWith(Function<Throwable,? extends Exceptional<T>> function) Returns current Exceptional if there were no exceptions, otherwise returns an Exceptional produced by function.
static <T,R> Collector<T,?,R>	Collectors.reducing(R identity, Function<? super T,? extends R> mapper, BinaryOperator<R> op) Returns a Collector that reduces input elements.
<R extends Comparable<? super R>> Stream<T>	Stream.sortBy(Function<? super T,? extends R> f) Returns Stream with sorted elements (as determinated by Comparable interface).
static <T,K> Collector<T,?,Map<K,T>>	Collectors.toMap(Function<? super T,? extends K> keyMapper) Returns a Collector that fills new Map with input elements.
static <T,K,V> Collector<T,?,Map<K,V>>	Collectors.toMap(Function<? super T,? extends K> keyMapper, Function<? super T,? extends V> valueMapper) Returns a Collector that fills new Map with input elements.
static <T,K,V> Collector<T,?,Map<K,V>>	Collectors.toMap(Function<? super T,? extends K> keyMapper, Function<? super T,? extends V> valueMapper) Returns a Collector that fills new Map with input elements.
static <T,K,V,M extends Map<K,V>> Collector<T,?,M>	Collectors.toMap(Function<? super T,? extends K> keyMapper, Function<? super T,? extends V> valueMapper, Supplier<M> mapFactory) Returns a Collector that fills new Map with input elements.
static <T,K,V,M extends Map<K,V>> Collector<T,?,M>	Collectors.toMap(Function<? super T,? extends K> keyMapper, Function<? super T,? extends V> valueMapper, Supplier<M> mapFactory) Returns a Collector that fills new Map with input elements.

Uses of Function in com.annimon.stream.function

Subinterfaces of Function in com.annimon.stream.function

Modifier and Type	Interface and Description
interface	UnaryOperator<T> Operation on a single operand that produces a result of the same type as its operand.

Methods in com.annimon.stream.function that return Function

Modifier and Type	Method and Description
static <T,R,V> Function<T,V>	Function.Util.andThen(Function<? super T,? extends R> f1, Function<? super R,? extends V> f2) Composes Function calls.
static <V,T,R> Function<V,R>	Function.Util.compose(Function<? super T,? extends R> f1, Function<? super V,? extends T> f2) Composes Function calls.
static <T,R> Function<T,R>	Function.Util.safe(ThrowableFunction<? super T,? extends R,Throwable> throwableFunction) Creates a safe Function,
static <T,R> Function<T,R>	Function.Util.safe(ThrowableFunction<? super T,? extends R,Throwable> throwableFunction, R resultIfFailed) Creates a safe Function,

Methods in com.annimon.stream.function with parameters of type Function

Modifier and Type	Method and Description
static <T,U,R,V> BiFunction<T,U,V>	BiFunction.Util.andThen(BiFunction<? super T,? super U,? extends R> f1, Function<? super R,? extends V> f2) Composes BiFunction calls.
static <T,R,V> Function<T,V>	Function.Util.andThen(Function<? super T,? extends R> f1, Function<? super R,? extends V> f2) Composes Function calls.
static <T,R,V> Function<T,V>	Function.Util.andThen(Function<? super T,? extends R> f1, Function<? super R,? extends V> f2) Composes Function calls.
static <V,T,R> Function<V,R>	Function.Util.compose(Function<? super T,? extends R> f1, Function<? super V,? extends T> f2) Composes Function calls.
static <V,T,R> Function<V,R>	Function.Util.compose(Function<? super T,? extends R> f1, Function<? super V,? extends T> f2) Composes Function calls.