pub async fn try_spawn<T: FnOnce(Pid) + Serialize + DeserializeOwned>(
) -> Result<Pid, TrySpawnError>
Spawn a new process if it can be allocated immediately.
try_spawn() takes 2 arguments:
resources: memory and CPU resource requirements of the new process
start: the closure to be run in the new process
try_spawn() on success returns the Pid of the new process.