AsyncReducer.every | /mod.ts | rimbu@0.14.0

Rimbu is a TypeScript library focused on immutable, performant, and type-safe collections and other tools.

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mod.ts (default module)

ArrowGraph

ArrowGraphHashed

ArrowGraphSorted

ArrowValuedGraph

ArrowValuedGraphHashed

ArrowValuedGraphSorted

EdgeValuedGraphHashed

EdgeValuedGraphSorted

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function AsyncReducer.every

import { AsyncReducer } from "https://deno.land/x/rimbu@0.14.0/mod.ts";
const { every } = AsyncReducer;

every<T>(pred: (value: T, index: number) => MaybePromise<boolean>): AsyncReducer<T, boolean>

Returns an AsyncReducer that ouputs true as long as all input values satisfy the given pred, false otherwise.

Examples

Example 1

await AsyncStream.from(Stream.range{ amount: 10 })).reduce(AsyncReducer.every(async v => v < 5))
// => false

Type Parameters

Parameters

pred: (value: T, index: number) => MaybePromise<boolean>

a function taking an input value and its index, and returning true if the value satisfies the predicate

Returns

AsyncReducer<T, boolean>