function parameters: is it possible to pass byref ... while being optional at the same time ?

[Adam D Ruppe]

On Sunday, 18 July 2021 at 03:52:30 UTC, someone wrote:
> That being said, one of the things that I felt in love with 
> when I was first exposed to was OOP; with all its pros and cons.

Yeah I like a lot about OOP and D's implementation is one of the 
nicest out there. Very competent implementation with a lot of 
nice bits. Totally underrated by most the D luminaries imo.