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//! A runtime implementation that runs everything on the current thread.

mod arbiter;
mod builder;
mod runtime;
mod system;

pub use self::arbiter::Arbiter;
pub use self::builder::{Builder, SystemRunner};
pub use self::runtime::{Handle, Runtime};
pub use self::system::System;

/// Spawns a future on the current arbiter.
///
/// # Panics
///
/// This function panics if actix system is not running.
pub fn spawn<F>(f: F)
where
    F: futures::Future<Item = (), Error = ()> + 'static,
{
    if !System::is_set() {
        panic!("System is not running");
    }

    Arbiter::spawn(f);
}