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import { describe, expect, it } from "vite-plus/test"; import { copySorted } from "./Array.ts"; describe("array copies", () => {  it("sorts a copy without mutating the source", () => {    const source = [3, 1, 2];     expect(copySorted(source, (left: number, right: number) => left - right)).toEqual([1, 2, 3]);    expect(source).toEqual([3, 1, 2]);  });});