Macro async_stm::test_queue_mod

macro_rules! test_queue_mod {
    ($make:expr) => { ... };
}

Reuse the same test definitions for each implementation of the TQueueLike trait by calling this macro with a function to create a new instance of the queue.

For example:

test_queue_mod!(|| { crate::queues::tchan::TChan::<i32>::new() });