From d2b9dffb54c90dd69a8228d2dd046c9625f9982c Mon Sep 17 00:00:00 2001
From: Henrik Friedrichsen <henrik@affekt.org>
Date: Fri, 21 Aug 2020 00:13:19 +0200
Subject: [PATCH] fix: do not delete from empty queue

fixes #253
---
 src/queue.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/queue.rs b/src/queue.rs
index 9dbeca8..3818634 100644
--- a/src/queue.rs
+++ b/src/queue.rs
@@ -132,6 +132,10 @@ impl Queue {
     pub fn remove(&self, index: usize) {
         {
             let mut q = self.queue.write().unwrap();
+            if q.len() == 0 {
+                info!("queue is empty");
+                return;
+            }
             q.remove(index);
         }