Printing for item body
diff --git a/src/common.rs b/src/common.rs
index b2f498d..f6cec60 100644
--- a/src/common.rs
+++ b/src/common.rs
@@ -33,7 +33,7 @@
     }
 }
 
-#[derive(Debug, Clone, Eq, PartialEq)]
+#[derive(Debug, Copy, Clone, Eq, PartialEq)]
 pub enum Visibility {
     Public,
     Inherited,