Adding optional to differentiate between empty sets and unset attributes

Signed-off-by: Ethan Mahintorabi <[email protected]>
2026-09-07 03:43:29 +02:00 · 2024-03-10 01:56:33 +00:00
parent 36c1bade14
commit 8aef4d549e
8 changed files with 48 additions and 23 deletions
@@ -275,10 +275,13 @@ ConcreteCell::setAttribute(const std::string &key,
  attribute_map_.insert(key, value);
 }

-std::string
+std::optional<std::string>
 ConcreteCell::getAttribute(const std::string &key) const 
 {
-  return attribute_map_.findKey(key);
+  if (attribute_map_.hasKey(key)) {
+    return attribute_map_.findKey(key);
+  }
+  return {};
 }

 ConcretePort *