hyper/rt.rs
//! Runtime components
//!
//! By default, hyper includes the [tokio](https://tokio.rs) runtime.
//!
//! If the `runtime` feature is disabled, the types in this module can be used
//! to plug in other runtimes.
/// An executor of futures.
pub trait Executor<Fut> {
/// Place the future into the executor to be run.
fn execute(&self, fut: Fut);
}