clarify constant structs inference comment

vyperlang · Feb 16, 2022 · cf72a13 · cf72a13
1 parent f80aedb
commit cf72a13
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/vyper/ast/folding.py b/vyper/ast/folding.py
@@ -183,7 +183,9 @@ def replace_user_defined_constants(vyper_module: vy_ast.Module) -> int:
                 else None
             )
         except UnknownType:
-            # Handle structs as user-defined types
+            # handle user-defined types e.g. structs - it's OK to not
+            # propagate the type annotation here because user-defined
+            # types can be unambiguously inferred at typechecking time
             type_ = None
 
         changed_nodes += replace_constant(