in a template argument, specify which object member to access?

[Mengu via Digitalmars-d-learn]

On Monday, 8 February 2016 at 21:09:47 UTC, cy wrote:
> object.member lets me access the member of the object, but what 
> if I want to access those members in a generic way, but in a 
> different arrangement depending on context? Like if I wanted to 
> first follow a tree down, and second priority would be going 
> left to right, but then I wanted to first go right, and second 
> priority would be going down to up.
>
> [...]

i believe you can use __traits(getMember) there.