Alternative Possibility - Implicit with

[zjh]

On Sunday, 20 November 2022 at 02:30:17 UTC, zjh wrote:

> You only need to open the `namespace` of the 
> `enum/struct/class` you need in the ` specific function`.

The `syntax` can be similar to:
```d
using Aenum,Bclass,Cstruct;
```
You don't need `brackets`.