use std::sync::Arc;

#[derive(Debug)]
struct Executor {
    module: bool
}

impl Executor {
    pub fn load() -> Result<&'static Executor, ()> {
            Ok( &Executor{ module: true } )
    }
}

#[derive(Debug)]
struct ExecutorArc {
    module: Arc<bool>
}

impl ExecutorArc {
    pub fn load() -> Result<&'static ExecutorArc, ()> {
            Ok( &ExecutorArc { module: Arc::new( true ) } )
    }
}

fn main() {
    let executor = Executor::load().unwrap();
    println!("executor = {:?}", executor);

    let executor_arc = ExecutorArc::load().unwrap();
    println!("executor_arc = {:?}", executor_arc);
}