Reducer.some | /mod.ts | rimbu@0.14.0

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

actor base bimap bimultimap collection-types common core deep graph hashed list multimap multiset ordered sorted spy stream table typical

mod.ts (default module)

ArrowGraph

ArrowGraphHashed

ArrowGraphSorted

ArrowValuedGraph

ArrowValuedGraphHashed

ArrowValuedGraphSorted

EdgeValuedGraphHashed

EdgeValuedGraphSorted

HashMultiMapHashValue

HashMultiMapSortedValue

HashMultiSet

HashSet

HashTableHashColumn

HashTableSortedColumn

SortedMultiMapHashValue

SortedMultiMapSortedValue

SortedMultiSet

SortedSet

SortedTableHashColumn

SortedTableSortedColumn

function Reducer.some

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

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

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

Examples

Example 1

console.log(Stream.range{ amount: 10 }).reduce(Reducer.some(v => v > 5))
// => true

Type Parameters

Parameters

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

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

Returns

Reducer<T, boolean>