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import unary from "./unary.ts";import { assertEquals } from "testing/asserts.ts";
Deno.test("unary", async () => {  // @ts-expect-error  unary(() => {});  unary((_a: any) => {});  unary((_a?: any) => {});  unary((_a: any, _b?: any) => {});  // @ts-expect-error  unary((_a: any, _b: any) => {});  unary((..._args: any[]) => {});  unary((_a: any, ..._args: any[]) => {});  unary((_a?: any, ..._args: any[]) => {});  unary((_a: any, _b?: any, ..._args: any[]) => {});  // @ts-expect-error  unary((_a: any, _b: any, ..._args: any[]) => {});
  const parseInt10 = unary(parseInt);
  assertEquals(parseInt10("10"), 10);  // @ts-expect-error  assertEquals(parseInt10("10", 16), 10);  // @ts-expect-error  assertEquals(parseInt10(), NaN);  assertEquals(["1", "2", "3"].map(parseInt10), [1, 2, 3]);
  const asyncTest = async (a: number, b = 2) =>    await new Promise<number>((res) => setTimeout(() => res(a * b)));  const asyncUnary = unary(asyncTest);  assertEquals(await asyncUnary(3), 6);});