Template alias parameter does not accept types

[bearophile]

Kenji Hara:

> AFAIK, there is no plan for fix. The behavior is currently a 
> part of language design.

Considering matters of D semantic uniformity, and the code shown 
by Dicebot:

template Hello(T...)
     if (T.length == 1)
{
     static if (is(T[0]))
         // ...
     else
         // ...
}

Then maybe the current behavior is worth reconsidering.

Bye,
bearophile