Function launch

packages/effect/src/Layer.ts:2207–2208

(self: Layer<ROut, E, RIn>)

 * @since 2.0.0
 */
export const launch = <RIn, E, ROut>(self: Layer<ROut, E, RIn>): Effect<never, E, RIn> =>
  internalEffect.scoped(internalEffect.andThen(build(self), internalEffect.never))

/**
 * A utility type for creating partial mocks of services in testing.