Template alias parameter: error: need 'this' for ...

[Matej Nanut]

On Friday, 23 August 2013 at 22:54:33 UTC, Jonathan M Davis wrote:
> Because without static it's a member variable, which means that 
> you have to
> have a constructed object to access it (since it's part of the 
> object). When
> you declare a variable in a class or struct static, then 
> there's only one for
> the entire class or struct, so it can be accessed without an 
> object. And when
> you do StructName.var or ClassName.var your accessing the 
> variable via the
> struct or class rather than an object, so the variable must be 
> static.
>
> - Jonathan M Davis

But I declared the template static, not the variable.

Is there a better way to pass a ‘member get’ expression to a 
template?

I need this for calling ‘.offsetof’ on it, and for checking if 
the member's parent is a certain struct type.