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

x/iter/mod.ts>concat

A bunch of utilities for working with iterables, many inspired by the native array methods.
jajaperson/iterable-utilities
Latest
function concat
import { concat } from "https://deno.land/x/iter@v3.2.3/mod.ts";

Combines two or more iterables.

Examples

Example 1

import * as iter from "https://deno.land/x/iter/mod.ts";

const concatenated = iter.concat([1, 2, 3], [4, 5, 6]);

for (num of concatenated) {
  console.log(num);
}

// -> 1
// -> 2
// -> 3
// -> 4
// -> 5
// -> 6

Type Parameters

T
optional
U = T

Parameters

head: Iterable<T>
  • The first iterable.
...tails: Array<Iterable<U>>
  • (blob) Additional iterables to add to the end of head. If there are more than one, they must be of the same type.

Returns

IterableCircular<T | U>

An iterable which yields items from the head followed by items from the tail(s) in order.