What are the unused but useful feature you know in D?

Mon Jul 3 02:35:16 PDT 2017

On Tuesday, 27 June 2017 at 03:14:58 UTC, Nicholas Wilson wrote:
> On Tuesday, 27 June 2017 at 02:19:56 UTC, Nicholas Wilson wrote:
>> I think I'll write a DIP for this after my honours thesis.
>
>
> Initial draft 
> https://github.com/thewilsonator/DIPs/blob/Attributes/DIPs/DIPxxxx_attributes.md
>
> Don't expect much from me until 4th of July.

https://github.com/dlang/DIPs/pull/75