Inferring an integer literal as ubyte

[Shriramana Sharma via Digitalmars-d-learn]

Hello. I was trying to do something like this:

ubyte code = to!ubyte(spec, 6) + 16;

and got an error saying:

cannot implicitly convert expression (cast(int)to(spec, 6) + 16) of type int 
to ubyte

Looking at http://dlang.org/spec/lex.html#IntegerLiteral, sure enough 16 is 
specified to be inferred as an `int`.

I thought that integer literals used to be inferred as the smallest integral 
type that can fit them – am I mistaken?

-- 
Shriramana Sharma, Penguin #395953