diff --git a/src/main.rs b/src/main.rs
index 6184c45..2c3b1bd 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -3,4 +3,7 @@
 fn main() {
     println!("Hello, world!");
     println!("goo");
+    let x = None;
+    let z: i32 = x.unwrap();
+    
 }