Gatherers.Fold(ISupplier, IBiFunction) Method

Definition

Namespace:: Java.Util.Streams

Assembly:: Mono.Android.dll

Important

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Returns a Gatherer that performs an ordered, reduction-like, transformation for scenarios where no combiner-function can be implemented, or for reductions which are intrinsically order-dependent.

[Android.Runtime.Register("fold", "(Ljava/util/function/Supplier;Ljava/util/function/BiFunction;)Ljava/util/stream/Gatherer;", "", ApiSince=36)]
[Java.Interop.JavaTypeParameters(new System.String[] { "T", "R" })]
public static Java.Util.Streams.IGatherer? Fold(Java.Util.Functions.ISupplier? initial, Java.Util.Functions.IBiFunction? folder);

[<Android.Runtime.Register("fold", "(Ljava/util/function/Supplier;Ljava/util/function/BiFunction;)Ljava/util/stream/Gatherer;", "", ApiSince=36)>]
[<Java.Interop.JavaTypeParameters(new System.String[] { "T", "R" })>]
static member Fold : Java.Util.Functions.ISupplier * Java.Util.Functions.IBiFunction -> Java.Util.Streams.IGatherer

Parameters

initial: ISupplier

the identity value for the fold operation

folder: IBiFunction

the folding function

Returns

IGatherer

a new Gatherer

Attributes: RegisterAttribute JavaTypeParametersAttribute

Remarks

Returns a Gatherer that performs an ordered, reduction-like, transformation for scenarios where no combiner-function can be implemented, or for reductions which are intrinsically order-dependent.

Java documentation for java.util.stream.Gatherers.fold(java.util.function.Supplier<R>, java.util.function.BiFunction<? super R, ? super T, ? extends R>).

Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.

Applies to