Problem with clear on shared associative array?

[Richard (Rikki) Andrew Cattermole]

On 28/05/2024 12:36 PM, Andy Valencia wrote:
> On Monday, 27 May 2024 at 04:04:03 UTC, mw wrote:
>> Pls NOTE: it is
>> a   `sharded` (meaning trunk-ed) NON-concurrent map,
>> not `shared` concurrent map.
> 
> Assuming I put it in shared memory, in what way is it not able to be 
> used concurrently?  It seems to have the needed lock operations?
> 
> Thanks,
> Andy

A concurrent data structure handles all of this for you.

AA's are not concurrent because it doesn't offer any protection.

Protecting a data structure with a mutex doesn't make it concurrent, but 
it may allow you to use it concurrently safely. Subtle difference!