gistfile1.txt

fn main () -> Result<(), String> {
    let mut rt = tokio::runtime::Builder::new()
        .basic_scheduler()
        .build().unwrap();

    let future = do_it(&rt);
    println!("blocking in main");
    rt.block_on(future).unwrap();
    return Ok(());
}


okay, back to:

obiwan-[connect/netlink/rtnetlink](2.6.6) mcr 18321 %cargo build --example get_links0
   Compiling rtnetlink v0.5.0 (/ssw/projects/pandora/connect/netlink/rtnetlink)
error[E0502]: cannot borrow `rt` as mutable because it is also borrowed as immutable
   --> rtnetlink/examples/get_links0.rs:123:5
    |
121 |     let future = do_it(&rt);
    |                        --- immutable borrow occurs here
122 |     println!("blocking in main");
123 |     rt.block_on(future).unwrap();
    |     ^^^--------^^^^^^^^
    |     |  |
    |     |  immutable borrow later used by call
    |     mutable borrow occurs here