shouting versus dotting

[Andrei Alexandrescu]

Benji Smith wrote:
> Andrei Alexandrescu wrote:
>> b) Template at Arg and Template@(Args)
>>
>> This approach not only accepts the need for a contraption, it actually 
>> leverages it by allowing you to drop the parens if you only have one 
>> argument. That way "@" becomes a true operator, the template 
>> instantiation operator. Note that this can be done with the current 
>> "!" as well, except that Template!Arg does not look to me like 
>> anything enticing.
> 
> Interesting.
> 
>    // If this is possible.......
>    auto myTemplate = Template @ (1, 2, 3, uint);
> 
>    // ......shouldn't this be possible too?
>    auto args = (1, 2, 3, uint);
>    auto myTemplate = Template @ args;
> 
> All other binary operators can operate on either a literal or on an 
> expression, and I'd expect a template instantiation operator to do the 
> same.
> 
> What do you think?

I think you will have a hard time (re)using parentheses and commas to 
define literals.

Andrei