Function expectMap

packages/effect/test/Cause.test.ts:747–749

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

    it("map", () => {
      const expectMap = <E>(cause: Cause.Cause<E>, expected: Cause.Cause<number>) => {
        deepStrictEqual(Cause.map(cause, () => 2), expected)
      }
      expectMap(empty, empty)
      expectMap(failure, Cause.fail(2))
      expectMap(defect, defect)