Function stuck::task::spawn

pub fn spawn<F, T>(f: F) -> JoinHandle<T> where
    F: FnOnce() -> T,
    F: Send + 'static,
    T: Send + 'static, 

Spawns a concurrent task and returns a JoinHandle for it.

The given fn serves as main in spawned task. All other coroutines in that task will be aborted through panic! when given fn completed.