Function scylla::transport::speculative_execution::execute

pub async fn execute<QueryFut, ResT>(
    policy: &dyn SpeculativeExecutionPolicy, 
    context: &Context, 
    query_runner_generator: impl Fn() -> QueryFut
) -> Result<ResT, QueryError> where
    QueryFut: Future<Output = Option<Result<ResT, QueryError>>>,