Macro QUEUE_EMPTY

macro_rules! QUEUE_EMPTY {
    ($queue:expr) => { ... };
}

Checks if the queue is empty.

Parameters

• queue: A mutable reference to the queue to be checked.

Return

• true if the queue is empty, i.e., the head and tail pointers are equal.
• false if the queue is not empty, i.e., the head and tail pointers are not equal.