[ ArgumentList ] vs. @( ArgumentList )

[Max Samukha]

On Tuesday, 6 November 2012 at 19:18:39 UTC, Walter Bright wrote:
> For User Defined Attributes.
>
> In the north corner we have the current champeeeeon:
>
> -------
> [ ArgumentList ]
>
> Pros:
>     precedent with C#
>     looks nice
>
> Cons:
>     not so greppable
>     parsing ambiguity with [array literal].func();
>
> ------
> In the south corner, there's the chaaaaallenger:
>
> @( ArgumentList )
>
> Pros:
>     looks like existing @attribute syntax
>     no parsing problems
>
> Cons:
>     not as nice looking
> ------
>
> No hitting below the belt! Let the games begin!

@() with optional ().