macros.rs

#[feature(macro_rules)];
#![feature(phase)]
#[phase(plugin, link)] extern crate log;

macro_rules! expr (($e: expr) => { $e })

macro_rules! spawn {
    ($($code: block)*) => {
        expr!(spawn(proc() {$($code)*}))
    }
}

pub fn main() {
    spawn! {
        {info!("stmt");}
    };
    let _ = spawn! {
        {info!("expr");}
    };
}