1//! Background readiness types 2 3opaque_future! { 4 /// Response future from [`SpawnReady`] services. 5 /// 6 /// [`SpawnReady`]: crate::spawn_ready::SpawnReady 7 pub type ResponseFuture<F, E> = futures_util::future::MapErr<F, fn(E) -> crate::BoxError>; 8}