Want reasonable reference counting? Disable automatic sharing of immutable

[Elronnd]

On Sunday, 14 November 2021 at 01:15:06 UTC, Stanislav Blinov 
wrote:
> Indeed, forget allocation, given that I'm talking about 
> collection. But anyway, so what? What do signals have to do 
> with `new` pretending to be pure when it calls destructors that 
> aren't?

A signal handler may not be pure, and it may be called at any 
time.  Including during the execution of a pure function.  Hence, 
your argument implies that no function should ever be marked as 
pure, because it may be interrupted by a signal handler which has 
some effects.