From a25a66e008950baca07a3986f3f481f8f4c990b2 Mon Sep 17 00:00:00 2001
From: Bastian Gruber <foreach@me.com>
Date: Mon, 1 May 2023 11:44:13 +0200
Subject: [PATCH] Cover edge case for no value

---
 problem_04/bin/server.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/problem_04/bin/server.rs b/problem_04/bin/server.rs
index 77305d0..340771d 100644
--- a/problem_04/bin/server.rs
+++ b/problem_04/bin/server.rs
@@ -42,7 +42,7 @@ async fn main() -> io::Result<()> {
                 .unwrap()
                 .insert(key.to_string(), value.to_string());
         } else {
-            let value = storage.lock().unwrap().get(message).unwrap().clone();
+            let value = storage.lock().unwrap().get(message).unwrap_or(&String::new()).clone();
             let message = format!("{message}={value}");
             tx.send((message.as_bytes().to_vec(), addr)).await.unwrap();
         }