Function assertOrElse

packages/effect/test/Option.test.ts:244–250

(
      a: Option.Option<number>,
      b: Option.Option<number>,
      expected: Option.Option<number>
    )

  it("orElse", () => {
    const assertOrElse = (
      a: Option.Option<number>,
      b: Option.Option<number>,
      expected: Option.Option<number>
    ) => {
      deepStrictEqual(pipe(a, Option.orElse(() => b)), expected)
    }
    assertOrElse(Option.some(1), Option.some(2), Option.some(1))
    assertOrElse(Option.some(1), Option.none(), Option.some(1))
    assertOrElse(Option.none(), Option.some(2), Option.some(2))