functional/objects.test.ts

import { expect, test } from "./deps.test.ts";
import { attr } from "./objects.ts";

test("attr", () => {
  const getx = attr("x");
  expect(getx({ x: 4, y: 5 })).toBe(4);
  expect(getx({ x: undefined, y: 5 })).toBeUndefined();
});