Should we add `a * b` for vectors?

[Walter Bright]

On 10/4/2017 11:44 PM, Jacob Carlborg wrote:
> On 2017-10-05 00:59, Walter Bright wrote:
> 
>> An example would be appreciated. Timon's example requires guesswork as to what 
>> he intended, because it does not compile in ways unrelated to his point.
> 
> It's supposed to not compile, because D doesn't have ADL.

If that is what Timon intended, ok. It wasn't clear to me. But I'm left 
wondering what the issue variously described as suboptimal, nasty, no solution, 
etc., is.

The worst I can see is if you didn't import the relevant modules, you'll get a 
compiler error.