When to use typecons.proxy vs alias this?

[Adam D. Ruppe via Digitalmars-d-learn]

On Sunday, 25 January 2015 at 05:57:37 UTC, weaselcat wrote:
> So the only difference is that proxy doesn't have implicit 
> conversions? Hm. Might be worth pointing out on the docs.

I don't think it is the *only* difference - the implementations 
are very different - but I do think it is the most significant 
one.