Method enqueue

internal/pool/want_conn.go:82–86

(w *wantConn)

}

func (q *wantConnQueue) enqueue(w *wantConn) {
	q.mu.Lock()
	defer q.mu.Unlock()
	q.items = append(q.items, w)
}

func (q *wantConnQueue) dequeue() (*wantConn, bool) {
	q.mu.Lock()