how to access struct member using [] operator?

[pineapple via Digitalmars-d-learn]

On Sunday, 25 September 2016 at 04:54:31 UTC, grampus wrote:
> Dear all
>
> For example, I have a struct
> struct point{int x;int y}
> point a;
>
> Is there an easy way to access x and y by using a["x"] and 
> a["y"]
>
> I guess I need to overload [], but can't figure out how.
>
> Someone can help? Thank you very much

If they all share the same type, you can use a switch like 
@Namespace suggested.

If the "x" and "y" strings are available at compile-time, you can 
use a mixin.

     auto getattr(string attr)(point a){
         mixin(`return a.` ~ attr ~ `;);
     }

     auto x = a.attr!"x";

Otherwise, no. D types aren't dynamic in the same way that 
Python's types are.