Using opOpAssign, cannot assign sequence

[ag0aep6g]

On 05.04.19 16:00, Alex wrote:
> I was thinking using tuple would work(of course is longer than Add but 
> would allow for a more general approach, it would require automatic 
> unpacking though and so doesn't work.

`tuple` works for me:

----
import std.typecons: tuple;

class X(T ...)
{
     void opOpAssign(string op)(T d) {}
}

void main()
{
     auto x = new X!(int, float, string);
     int a = 42;
     float b = 4.2;
     string c = "foo";
     x += tuple(a, b, c);
}
----