Type Alias PopCallbackFn 

pub type PopCallbackFn = Arc<dyn Fn(Option<PopResult>, Option<ClientError>) -> Pin<Box<dyn Future<Output = ()> + Send + Sync>> + Send + Sync>;

Type alias for a callback function that handles the result of a pop operation.

This type alias defines a callback function that takes a PopResult and returns a boxed future.

Aliased Type

pub struct PopCallbackFn { /* private fields */ }