The D standard library is built on GC, is that a negative or positive?

[IGotD-]

On Friday, 16 December 2022 at 13:56:19 UTC, bauss wrote:
>
> Personally I think it should always just be implied const like:
>
> catch (Exception e) should imply catch (const e) that way both 
> mutable and immutable will work.

Shouldn't that be like in C++ where the it is recommended to use

```cpp
catch(const MyException& e)
```

so in in D it would be

```cpp
catch(const ref MyException e)
```