From d98b6799671e33a44adc35f651b6d45577747e79 Mon Sep 17 00:00:00 2001
From: attila <daf276@gmx.de>
Date: Mon, 3 Dec 2018 20:33:35 +0100
Subject: [PATCH] Bugfix for day2

---
 day2/src/main.rs | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/day2/src/main.rs b/day2/src/main.rs
index 2ecf125..5f6b8a0 100644
--- a/day2/src/main.rs
+++ b/day2/src/main.rs
@@ -52,8 +52,6 @@ fn find_common_letters(lines: &Vec<&str>) -> Result<Vec<char> , std::io::Error>
             let mismatches = line.chars().zip(line2.chars()).filter(|&(a, b)| a != b).count();
 
             if mismatches == 1 {
-                let result: Vec<(char,char)> = line.chars().zip(line2.chars()).filter(|&(a, b)| a == b).collect();
-
                 let candidate1: Vec<char> = line.chars().collect();
                 let candidate2: Vec<char> = line2.chars().collect();
 
@@ -65,7 +63,7 @@ fn find_common_letters(lines: &Vec<&str>) -> Result<Vec<char> , std::io::Error>
                     }
                 }
 
-                return Ok(test);
+                return Ok(result);
             }
         }
     }