Singleton in Action?

[Ron Tarrant]

On Monday, 4 February 2019 at 19:23:26 UTC, Jacob Carlborg wrote:

> You can call it with or without parentheses. It applies to all 
> functions that don't take any arguments or functions taking a 
> single argument and are called using UFCS [1].
>
> [1] https://dlang.org/spec/function.html#pseudo-member

Okay, that explains a few things that I still hadn't caught onto. 
Thanks.