Function expectFailureOption

packages/effect/test/Cause.test.ts:503–505

(cause: Cause.Cause<E>, expected: Option.Option<E>)

    it("failureOption", () => {
      const expectFailureOption = <E>(cause: Cause.Cause<E>, expected: Option.Option<E>) => {
        deepStrictEqual(Cause.failureOption(cause), expected)
      }
      expectFailureOption(empty, Option.none())
      expectFailureOption(failure, Option.some("error"))
      expectFailureOption(Cause.sequential(Cause.fail("error1"), Cause.fail("error2")), Option.some("error1"))