Objective-D, reflective programming, dynamic typing

[Andrei Alexandrescu]

Christopher Wright wrote:
> Andrei Alexandrescu wrote:
>> void foo_templated(T...)(T args)
>> {
>>    Variant[args.length] dynatyped;
>>    foreach (i, arg; args) dynatyped[i] = arg;
>>    return foo(dynatyped);
>> }
>> void foo(Variant[] dynatyped...)
>> {
>>    ...
>> }
>>
>> Andrei
> 
> Okay, that's a reasonable solution, except that it doesn't work with 
> interfaces. I already submitted a bugzilla entry that you should be able 
> to create a Variant[] from D varargs, but that still requires writing a 
> wrapper function.

A Variant[] is difficult to create from TypeInfo[] + void* varargs 
because vital information has already been lost. That's why I'm saying 
we better fix the situation by e.g. implementing opImplicitCast. Please, 
let's leave void* alone.

Andrei