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import { isUndefined } from 'https://deno.land/x/polkadot@0.2.40/util/mod.ts';
import { hasEq } from './util.ts';
export function compareArray (a: unknown[], b?: unknown): boolean {  if (Array.isArray(b)) {    return (a.length === b.length) && isUndefined(      a.find((v, index): boolean =>        hasEq(v)          ? !v.eq(b[index])          : v !== b[index]      )    );  }
  return false;}