Iterator | /mod.ts | ahh@v0.13.0

Opinionated idiomatic features for TypeScript.

method Iterator.prototype.peekable

import { Iterator } from "https://deno.land/x/ahh@v0.13.0/mod.ts";

peekable(): Peekable<T>

Creates an Iterator that can return the next item without consuming it.

Examples

Example 1

import { assert } from "../test_deps.ts";
import I from "./iterator.ts";

const iter = I.fromIter([1, 2, 3]).peekable();

assert(iter.peek() === 1);
assert(iter.peek() === 1);
assert(iter.next() === 1);

Returns

Peekable<T>