synchronized/shared associative array .require error

[Loara]

On Saturday, 3 September 2022 at 14:07:58 UTC, frame wrote:
> Not exactly, a synchronized class member function becomes 
> automatically a shared one.

This is not present in official documentation so other compilers 
different from `dmd` aren't forced to assume it. This should be 
consider an experimental feature of D that users should be able 
to turn off if they want.