Method peek

src/common/priority_queue.rs:76–78

MinPQ: Returns a smallest key on this priority queue MaxPQ: Returns a largest key on this priority queue

(&self)

    /// MinPQ: Returns a smallest key on this priority queue
    /// MaxPQ: Returns a largest key on this priority queue
    pub fn peek(&self) -> Option<&T> {
        self.pq.get(1)
    }

    /// Adds a new key to this priority queue
    pub fn enqueue(&mut self, x: T) {