Return types of the methods of a struct

[Quentin Ladeveze via Digitalmars-d-learn]

On Friday, 19 June 2015 at 13:38:45 UTC, Steven Schveighoffer 
wrote:
>
> Does this work for you, or is there a further expectation?
>
> auto asTuple() { return Tuple!(int, "a", ...)(a, b, 
> stringValue);}
>
> -Steve

In fact, I was trying to use traits to create the tuple 
automatically and being able to add or remove methods to the 
struct without breaking the asTuple method.
I used allMembers for the name of the methods, but I didn't found 
anything for their return types or their values.

Thank you.