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import { assertEquals } from "asserts";import guessNumberHigherOrLower from "./index.ts";Deno.test("guess-number-higher-or-lower", () => {    const inputs = [[10, 6], [1, 1], [2, 1], [2147483647, 2147483647]];    const outputs = [6, 1, 1, 2147483647];    assertEquals(        inputs.map((a) =>            guessNumberHigherOrLower((n) => Math.sign(-n + a[1]))(a[0])        ),        outputs,    );});