completed most of 05 ticket v2

exercises/05_ticket_v2/03_variants_with_data/src/lib.rs

@@ -9,7 +9,7 @@ struct Ticket {
     status: Status,
 }
 
-#[derive(Debug, PartialEq)]
+#[derive(Debug, PartialEq, Clone)]
 enum Status {
     ToDo,
     InProgress { assigned_to: String },
@@ -38,7 +38,11 @@ impl Ticket {
         }
     }
     pub fn assigned_to(&self) -> &str {
-        todo!()
+        match &self.status {
+            Status::InProgress { assigned_to } => assigned_to,
+            _ => panic!("Only `In-Progress` tickets can be assigned to someone"),
+        }
+        // let Status::InProgress { assigned_to } = self.status;
     }
 }