Is there a nice syntax to achieve optional named parameters?

[Kagamin]

On Tuesday, 15 January 2019 at 11:14:54 UTC, John Burton wrote:
> auto window = Window(title = "My Window", width = 1000, 
> fullscreen = true);

In this particular case I would make the constructor take 3 
parameters - title, width and height. Full screen is a rare 
functionality and shouldn't clutter the constructor, can it be 
set after the window is created?