Tobias M via Digitalmars-d digitalmars-d at
Sat Sep 3 10:08:23 PDT 2016

On Saturday, 3 September 2016 at 16:33:07 UTC, Andrei 
Alexandrescu wrote:
> I see. This is a matter orthogonal to DbI - introspection 
> should be able to figure out whether a member can be found, or 
> a nonmember if the design asks for it. I wouldn't like 
> "tricking" DbI into thinking a member is there when there 
> isn't. -- Andrei

The problem I see with DbI is rather that the user of a function 
thinks that an optional constraint is satisfied, while in reality 
it isn't, due to a non-obvious lookup/visibility problem.

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