Fixed derive Default on container.

Issue mcarton#25
azriel91 · Oct 16, 2018 · 83d7aaf · 83d7aaf
1 parent 1e76f3e
commit 83d7aaf
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/src/attr.rs b/src/attr.rs
@@ -599,7 +599,13 @@ fn parse_boolean_meta_item(item: &Option<&str>, default: bool, name: &str) -> Re
     match *item {
         Some("true") => Ok(true),
         Some("false") => Ok(false),
-        Some(_) => Err(format!("Invalid value for `{}`", name)),
+        Some(val @ _) => {
+            if val == name {
+                Ok(true)
+            } else {
+                Err(format!("Invalid value for `{}`: `{}`", name, val))
+            }
+        }
         None => Ok(default),
     }
 }