[ ArgumentList ] vs. @( ArgumentList )

[Walter Bright]

On 11/6/2012 1:41 PM, deadalnix wrote:
> Le 06/11/2012 22:02, Jonathan M Davis a écrit :
>> On Tuesday, November 06, 2012 11:18:34 Walter Bright wrote:
>>> No hitting below the belt! Let the games begin!
>>
>> Definitely @(ArgumentList). It fits with what other languages do, and it matches
>> what we're already doing for attributes. I also think that's what pretty much
>> everyone was figuring would be used for user-defined attributes. The only major
>> problem would be if @ArgumentList is allowed when there's only a single
>> argument, then code could break when new built-in attributes are added.
>>
>
> Can you explain that code breakage ?

C++11 has had problems adding new keywords, as about every identifier somewhere 
has been used by someone's C++ source code, and they don't want to break 
existing code. So C++11 winds up with awful things like "decltype".