Function expectLeft

packages/effect/test/Effect/do-notation.test.ts:13–15

(e: Effect.Effect<R, L>, expected: L)

}

const expectLeft = <R, L>(e: Effect.Effect<R, L>, expected: L) => {
  Util.deepStrictEqual(Effect.runSync(Effect.either(e)), Either.left(expected))
}

describe("do notation", () => {
  it("Do", () => {