cfg_rt_core! {
use crate::runtime::basic_scheduler;
use crate::task::JoinHandle;
use std::future::Future;
}
cfg_rt_threaded! {
use crate::runtime::thread_pool;
}
#[derive(Debug, Clone)]
pub(crate) enum Spawner {
Shell,
#[cfg(feature = "rt-core")]
Basic(basic_scheduler::Spawner),
#[cfg(feature = "rt-threaded")]
ThreadPool(thread_pool::Spawner),
}
cfg_rt_core! {
impl Spawner {
pub(crate) fn spawn<F>(&self, future: F) -> JoinHandle<F::Output>
where
F: Future + Send + 'static,
F::Output: Send + 'static,
{
match self {
Spawner::Shell => panic!("spawning not enabled for runtime"),
#[cfg(feature = "rt-core")]
Spawner::Basic(spawner) => spawner.spawn(future),
#[cfg(feature = "rt-threaded")]
Spawner::ThreadPool(spawner) => spawner.spawn(future),
}
}
}
}