Allow name emission for all builtin types

trans/transpiler/phases/emit_cpp/__init__.py

@@ -84,8 +84,12 @@ class NodeVisitor(UniversalVisitor):
             yield ">"
         elif isinstance(node, TypeVariable):
             raise NotImplementedError(f"Not unified type variable {node}")
-        elif isinstance(node, TypeOperator) and len(node.args) == 0:
-            yield "typon::Py" + node.name.title()
+        elif isinstance(node, TypeOperator):
+            yield "Py" + node.name.title()
+            if node.args:
+                yield "<"
+                yield from join(", ", map(self.visit, node.args))
+                yield ">"
         else:
             raise NotImplementedError(node)