How to use sets in D?

[Siarhei Siamashka]

On Tuesday, 8 February 2022 at 21:42:06 UTC, H. S. Teoh wrote:
> But as I said, this is overkill for something so trivial. Using 
> `bool[E]` or an RBTree works just fine.

Is the current implementation of associative arrays in D language 
resistant to Denial of Service hash collision attacks?

  * https://github.com/dlang/dmd/blob/master/src/dmd/root/aav.d

  * 
https://arstechnica.com/information-technology/2011/12/huge-portions-of-web-vulnerable-to-hashing-denial-of-service-attack/

  * https://lwn.net/Articles/474912/

  * https://codeforces.com/blog/entry/62393

If not, then redBlackTree may be safer to use when dealing with 
potentially adversarially constructed input data.