src/entity/item/mod.rs

@@ -162,6 +162,13 @@ impl ItemDetail {
             _ => None,
         }
     }
+
+    pub fn tool(&self) -> Option<&tool::Tool> {
+        match self {
+            ItemDetail::Tool(tool) => Some(tool),
+            _ => None,
+        }
+    }
 }
 
 #[derive(Clone, Debug)]