More radical ideas about gc and reference counting

Walter Bright via Digitalmars-d digitalmars-d at puremagic.com
Mon May 12 10:17:26 PDT 2014


On 5/12/2014 4:35 AM, bearophile wrote:
> I suggested to add an optional method named "onGC" to unions that if present is
> called at run-time by the GC to know what's the real type of stored data, to
> make tracing more precise.

Unions of pointers are so rare in actual code that treating them conservatively 
is not a big problem.



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