@thi.ng/transducers-async/reduce.d.ts

Async versions of various highly composable transducers, reducers and iterators

import { type MaybeAsyncIterable } from "@thi.ng/api/async";
import type { AsyncReducer, AsyncReducerInit, AsyncReduction } from "./api.js";
export declare function reduce<A, B>(rfn: AsyncReducer<A, B>, src: MaybeAsyncIterable<A>): Promise<B>;
export declare function reduce<A, B>(rfn: AsyncReducer<A, B>, acc: B, src: MaybeAsyncIterable<B>): Promise<B>;
/**
 * Convenience helper for building a full {@link AsyncReducer} using
 * [asyncIdentity](https://docs.thi.ng/umbrella/api/functions/asyncIdentity.html)
 * as completion step (true for 90% of all bundled transducers).
 *
 * @param init - init step of reducer
 * @param rfn - reduction step of reducer
 */
export declare const reducer: <A, B>(init: AsyncReducerInit<B>, rfn: AsyncReduction<A, B>) => AsyncReducer<A, B>;
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