@quenk/preconditions/lib/async/array.d.ts

Make data satisfy constraints before using.

import * as lazy from '@quenk/noni/lib/data/lazy';
import { Precondition } from '../async';
/**
 * filter (async).
 */
export declare const filter: <A, B>(p: Precondition<A, B>) => Precondition<A[], B[]>;
/**
 * map (async).
 */
export declare const map: <A, B>(p: Precondition<A, B>) => Precondition<A[], B[]>;
/**
 * tuple (async)
 */
export declare const tuple: <A, B>(list: Precondition<A, B>[]) => Precondition<A[], B[]>;
/**
 * Reducer (async version)
 */
export type Reducer<A, B> = (accum: B) => Precondition<A, B>;
/**
 * reduce (async version)
 */
export declare const reduce: <A, B>(getAccum: lazy.Lazy<B>, func: Reducer<A, B>) => Precondition<A[], B>;