Choosing arity of a template function

[cym13 via Digitalmars-d]

On Friday, 26 February 2016 at 23:18:30 UTC, Era Scarecrow wrote:
> On Friday, 26 February 2016 at 23:11:32 UTC, Andrei 
> Alexandrescu wrote:
>> Urgh, forgot the "static" in front of the second "if". It does 
>> work now.
>
>  Perhaps that should be an error instead; Going from a static 
> if to an else if... seems easy enough to spot and insist a fix 
> (much like assignment inside an if statement is illegal).

What about automatically inferring it? It sounds reasonnable, 
much like saying that "static" actually is for the whole 
if/elseif block.