@electric-sql/d2mini/dist/operators/distinct.d.ts

D2Mini is a minimal implementation of Differential Dataflow for performing in-memory incremental view maintenance.

import { IStreamBuilder } from '../types.js';
import { DifferenceStreamReader, DifferenceStreamWriter, UnaryOperator } from '../graph.js';
/**
 * Operator that removes duplicates
 */
export declare class DistinctOperator<T> extends UnaryOperator<T> {
    #private;
    constructor(id: number, input: DifferenceStreamReader<T>, output: DifferenceStreamWriter<T>, by?: (value: T) => any);
    run(): void;
}
/**
 * Removes duplicate values
 */
export declare function distinct<T>(by?: (value: T) => any): (stream: IStreamBuilder<T>) => IStreamBuilder<T>;