Trying to understand DIP1000

[Dukc via Digitalmars-d-learn]

On Friday, 5 May 2017 at 18:04:32 UTC, Dukc wrote:
> The compiler is too cunning to let you to leak test[x] out of a 
> function by reference, or take an address of it. Nor you can 
> assing it to another variable, because that means copy 
> semantics.

And oh, the identity function won't fool the compiler either, it 
infers return scope, -dip25 or no.