How do I set a class member value by its name in a string?

[bitwise]

On Wednesday, 27 December 2017 at 20:04:29 UTC, Marc wrote:
> I'd like to set the members of a class by its name at runtime, 
> I would do something like this:
>
>> __traits(getMember, myClass, name) = value;
>
> but since name is only know at runtime, I can't use __traits(). 
> What's a workaround for this?

I think you could write something using a combination of these 
two things:

https://dlang.org/phobos/std_traits.html#FieldNameTuple
https://dlang.org/phobos/std_traits.html#Fields

or maybe '.tupleof':

https://dlang.org/spec/struct.html#struct_properties