Function fastPath

packages/effect/src/internal/runtime.ts:243–265

(effect: Effect.Effect<A, E, R>)

export const isFiberFailure = (u: unknown): u is Runtime.FiberFailure => Predicate.hasProperty(u, FiberFailureId)

const fastPath = <A, E, R>(effect: Effect.Effect<A, E, R>): Exit.Exit<A, E> | undefined => {
  const op = effect as core.Primitive
  switch (op._op) {
    case "Failure":
    case "Success": {
      // @ts-expect-error
      return op
    }
    case "Left": {
      return core.exitFail(op.left)
    }
    case "Right": {
      return core.exitSucceed(op.right)
    }
    case "Some": {
      return core.exitSucceed(op.value)
    }
    case "None": {
      // @ts-expect-error
      return core.exitFail(new core.NoSuchElementException())
    }
  }
}

/** @internal */
export const unsafeRunSyncExit: {