Garbage collection

[James Gray]

On Tuesday, 30 June 2020 at 06:16:26 UTC, Kagamin wrote:
> On Saturday, 27 June 2020 at 14:49:34 UTC, James Gray wrote:
>> I have produced something which essentially reproduces my 
>> problem.
>
> What is the problem? Do you have a leak or you want to know how 
> GC works?

I have managed to resolve my problem (which was a memory leak). 
My code uses a large data structure similar to a link list and 
the garbage collector was not collecting it. However,
if I set all the "links" between the nodes in the data structure 
to null it is then collected.