Treat a normal function as variadic?

[Robin Allen]

Jarrett Billingsley wrote:
> "Robin Allen" <r.a3 at ntlworld.com> wrote in message 
> news:f3k9n0$45g$1 at digitalmars.com...
>> Thanks, this is how I had been trying to do it before giving up and trying 
>> it the hacky way.
>>
>> By the looks of your code, I almost had it, too, I just assumed that this 
>> bit would be impossible:
>>
>> args[i] = params[i].convertTo!(typeof(args[i]));
>>
>> because args is a tuple and the docs say the "number and contents of tuple 
>> elements are fixed at compile time". Is that wrong?
> 
> What I've done in my example is declare a variable tuple by doing Args 
> args;.  So Args is a tuple of types, and args is a tuple of variables whose 
> types are those of Args.  Because args is a tuple of variables, I can modify 
> their values.  I guess it would be a "symbol tuple."  So if you want to get 
> really technical, args is a tuple which refers to some variables -- you 
> can't change the contents of args, i.e. you can't change what symbols it 
> refers to, but you can change the values of those symbols.
> 
> Or something like that.  I'm not really, entirely sure :) 
> 
> 

Thanks for the explanation! I never twigged that type tuples were actual 
types that you could declare things with.