D needs a type expression syntax

[zjh]

On Thursday, 4 May 2023 at 15:40:20 UTC, Quirin Schroll wrote:
> **TL;DR:** If we make `TypeCtor` optional in the production 
> rule `BasicType` → `TypeCtor`**`(`**`Type`**`)`**, the D type 
> grammar can be improved and we have a way to solve the 
> 14-year-old [issue 
> 2753](https://issues.dlang.org/show_bug.cgi?id=2753).
>


That's a great idea. You need a `dip`, and of course, it's best 
to have a tool that can automatically modify incorrect formats. 
It's also best to have a backup.