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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.// This module is browser compatible.
/** * Returns `true` if the prefix array appears at the start of the source array, * `false` otherwise. * * The complexity of this function is `O(prefix.length)`. * * @param source Source array to check. * @param prefix Prefix array to check for. * @returns `true` if the prefix array appears at the start of the source array, * `false` otherwise. * * @example Basic usage * ```ts * import { startsWith } from "https://deno.land/std@$STD_VERSION/bytes/starts_with.ts"; * * const source = new Uint8Array([0, 1, 2, 1, 2, 1, 2, 3]); * const prefix = new Uint8Array([0, 1, 2]); * * startsWith(source, prefix); // true * ``` */export function startsWith(source: Uint8Array, prefix: Uint8Array): boolean {  for (let i = 0; i < prefix.length; i++) {    if (source[i] !== prefix[i]) return false;  }  return true;}