Skip to main content
Deno 2 is finally here 🎉️
Learn more
Module

std/collections/mod.ts>distinct

Deno standard library
Go to Latest
The Standard Library has been moved to JSR. See the blog post for details.
function distinct
import { distinct } from "https://deno.land/std@0.159.0/collections/mod.ts";

Returns all distinct elements in the given array, preserving order by first occurrence

Example:

import { distinct } from "https://deno.land/std@0.159.0/collections/distinct.ts";
import { assertEquals } from "https://deno.land/std@0.159.0/testing/asserts.ts";

const numbers = [ 3, 2, 5, 2, 5 ]
const distinctNumbers = distinct(numbers)

assertEquals(distinctNumbers, [ 3, 2, 5 ])

Parameters

array: readonly T[]