Warn on unused imports?

[Patrick Schluter]

On Thursday, 4 October 2018 at 18:55:01 UTC, Nick Sabalausky 
(Abscissa) wrote:
> On 09/26/2018 06:00 AM, Anonymouse wrote:
>> On Tuesday, 25 September 2018 at 13:03:30 UTC, FeepingCreature 
>> wrote:
>>> I'm playing with a branch of DMD that would warn on unused 
>>> imports:
>> 
>> Would just like to say that I love the idea and would use it 
>> immediately.
>
> Same here. Periodically, my import lists tend to turn into 
> giant outdated blobs of everything ever used by my project. But 
> pruning them is a major involvement involving many, many cycles 
> of pure trial-and-error. I've often wanted a way to say "Hey, 
> just TELL me which imports are unused, so I don't have to spend 
> half the afternoon manually testing them all!"

Exactly. Even me with my very low usage of D have already been 
confronted with that. A wall of outdated imports which requires 
real involvement to clean up.
An optional warning to tell which are not used would be already a 
good step.