data-collectors
Version:
A collection of composable reduction operations for arbitrary streams of values
12 lines (11 loc) • 544 B
TypeScript
import { Collector, BaseCollector, Supplier } from "../collector";
export declare class ToSetCollector<T, A extends Set<T>> extends BaseCollector<T, A, A> {
protected supplier: Supplier<A>;
constructor(supplier: Supplier<A>);
supply(): A;
accumulate(container: A, item: T): void;
combine(container1: A, container2: A): A;
finish(container: A): A;
}
export declare function toSet<T>(): Collector<T, Set<T>, Set<T>>;
export declare function toSet<T, A extends Set<T>>(factory: Supplier<A>): Collector<T, A, A>;