How to use containers in lock based concurrency

[Nathan S.]

Is this advice from 2015 outdated? I found it while I was 
wrestling with shared data structures, and after reading I 
stopped doing that.

https://p0nce.github.io/d-idioms/#The-truth-about-shared

>The truth about shared
>It's unclear when and how shared will be implemented.
>Virtually noone use shared currently. You are better off 
>ignoring it at this moment.