What features of D you would not miss?

[Dennis]

On Thursday, 15 September 2022 at 17:56:57 UTC, Nick Treleaven 
wrote:
>> - `lazy`
>
> With or without Walter's idea of a delegate parameter returning 
> T automatically wrapping an argument of type T into a delegate?

For my part, without.

>> - `__FUNCTION__` and `__PRETTY_FUNCTION__`
>
> Are there traits for these instead?

I think there's `__traits(parent, {})` inside a function body.