init() with empty ** causes MethodNotFound

[ilyash-b]

type T
T(**{})

causes

+----------------------------------------------------------------------+
| The arguments did not match any of the methods' parameters.          |
| Method or MultiMethod name: init                                     |
| Called with arguments' types: T                                      |
| Please check that you pass the right number of arguments.            |
| Please check that arguments' types are matching methods' parameters. |
+----------------------------------------------------------------------+

[ilyash-b]

In dev