Nested template arguments

[XavierAP]

On Wednesday, 22 August 2018 at 14:48:57 UTC, Alex wrote:
>
> Because it could be meant as the argument to some templates to 
> the left. Like
> (foo!bar)!x
>
> Sure, it would be a coincidence, if both will work. However, 
> templates are not something where you can simply imply the 
> associative property, I think.

Of course there isn't an associative property... But I was 
thinking that without brackets the parser could fall back to 
whatever default "left to right" precedence, as would happen with 
operators, which needn't be associative either.