Small Vectors Proposal

[Andrei Alexandrescu (See Website For Email)]

Walter Bright wrote:
> Andrei Alexandrescu (See Website For Email) wrote:
>> It is a change that I personally think should be made. Walter devised 
>> the one cast per class rule out of caution when facing an issue known 
>> to be potentially disastrous. Generally, the "when in doubt, don't put 
>> it in" approach turned out to be a winner for D in general --- the 
>> "length" Chernobyl disaster notwithstanding :o).
> 
> Yes, it's the "when we don't know what the semantics of this combination 
> of features should be, make it an error" rule. That way, when it 
> sometimes eventually becomes clear what those semantics should be, we 
> don't have a backwards compatibility problem.

That's how D started without templates and ended up with having one of 
the best template systems around. Same, I think, will happen to macros.

Andrei