Optional out parameter of function

[monarch_dodra]

On Wednesday, 27 November 2013 at 11:20:59 UTC, Joseph Rushton 
Wakeling wrote:
> On 27/11/13 12:14, monarch_dodra wrote:
>> Interesting trick. That said, doing this (should) also mean 
>> you can't use foo in
>> a pure context, since it means the caller needs to access the 
>> global dummy
>> (although that seems to work right now).
>
> Should be OK in a struct/class method context, if dummy is an 
> internal variable.

That wouldn't work, because you'd need "this" to refer said dummy 
variable. Even if it worked, you'd bloat all instances of your 
struct/class just for dummy data :/