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Module

x/rimbu/core/main/exports.ts>AsyncReducer.some

Rimbu is a TypeScript library focused on immutable, performant, and type-safe collections and other tools.
rimbu-org/rimbu
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function AsyncReducer.some
import { AsyncReducer } from "https://deno.land/x/rimbu@1.0.3/core/main/exports.ts";
const { some } = AsyncReducer;

Returns a Reducer that ouputs false as long as no input value satisfies given pred, true otherwise.

Examples

Example 1

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

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