A string queue that can be add from different thread and print on main thread
```rs fn main() { print_queues::init();
print_queues::add("GG");
print_queues::add_string("Hello, World!".to_owned())
print_queues::print();
/*
"GG"
"Hello, World!"
*/
} ```
```rs use std::thread;
fn main() { let th = thread::spawn(move || { // some server or application loop that want to print print_queues::add("Hello, Server!"); });
while !th.is_finished() {
print_queues::print();
}
} ```