Positive

[Alexander Pánek]

Steven Schveighoffer wrote:
> "Andrei Alexandrescu" wrote
>> (Background: Walter has kindly allowed ".()" as an alternative to the ugly 
>> "!()" for template argument specifications.)
> 
> :(
> 
> Another case of multiple syntax possibilities.  What was wrong with !() ? 
> I didn't consider it ugly at all.  In fact, I prefer it.
> 
> It's very alarming to me that something like this just has no problem 
> getting in the language without community feedback.
> 
>> Just a quick question - I am feeling an increasing desire to add a 
>> template called Positive to std.typecons. Then Positive.(real) would 
>> restrict its values to only positive real numbers etc.
> 
> I wouldn't use it, if that helps at all.  Even if it was in Tango (i.e. not 
> just because I don't use Phobos).

Seconded.