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Module

std/collections/mod.ts>permutations

The Deno Standard Library
denoland/deno_std
Latest
function permutations
import { permutations } from "https://deno.land/std@0.223.0/collections/mod.ts";

Builds all possible orders of all elements in the given array Ignores equality of elements, meaning this will always return the same number of permutations for a given length of input.

Examples

Example 1

import { permutations } from "https://deno.land/std@0.223.0/collections/permutations.ts";
import { assertEquals } from "https://deno.land/std@0.223.0/assert/assert_equals.ts";

const numbers = [ 1, 2 ];
const windows = permutations(numbers);

assertEquals(windows, [
  [ 1, 2 ],
  [ 2, 1 ],
]);

Parameters

inputArray: Iterable<T>