Function block_on 

pub fn block_on<T, F>(fut: F) -> T
where
    F: Future<Output = T>,

Drives a future to completion on the current thread, processing I/O events when idle.

Does not support task spawning (see Executor::run).

Example

use std::time::Duration;
use local_runtime::time::Timer;

local_runtime::block_on(async {
    Timer::delay(Duration::from_millis(10)).await;
});