Incremental garbage collection
Ola Fosheim Grøstad
ola.fosheim.grostad at gmail.com
Fri Jan 21 12:26:42 UTC 2022
On Friday, 21 January 2022 at 10:13:17 UTC, Elronnd wrote:
> On Friday, 21 January 2022 at 10:00:17 UTC, IGotD- wrote:
>> The problem is that D as no managed pointers.
> Again, this can be solved conservatively at the
It could, in theory, if you change the semantics of @nogc and
annotate everything with @nogc that the collector must leave
alone. I suspect that some of the existing @nogc code would have
to be rewritten. But this approach is very close to introducing a
new pointer type.
You also need to prevent scannable pointers to be available
through unions, so a breaking language change is practically
unavoidable if you want to make a good GC collector for the
There is also no way for D to force barriers on linked code,
hence the need for a breaking language level change at some level.
(I assume many approaches are possible, but all require a
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