Macro arc_rwlock 

macro_rules! arc_rwlock {
    ($val:expr) => { ... };
}

Macro for creating an Arc<RwLock<T>> from a value

Example

use hurry::arc_rwlock;
let x = arc_rwlock!(5);
*x.write().unwrap() = 10;
assert_eq!(*x.read().unwrap(), 10);