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The nicest point about GC is that, for the vast majority of data, you no longer need to have a concept of ownership at all.

Ownership is not a fundamental architectural property - it is "only" a powerful technique for tracking data with a specific lifetime (of course, even in GC languages you still need proper ownership semantics for some pieces of data).




Ownership itself might not be, but lifetimes are and the two concepts are tightly related.

That's why Java and C# both had to introduce a way of (semi-)automatically closing resources, waiting for the GC was a catastrophe.


Common Lisp, CLU, Mesa/Cedar, Modula-3 and many other system languages with GC always supported those kind of mechanisms.

Java and C# did nothing new there, only catching up with was already the state of the art before they were born.


That’s what I find ironic about C#. In some ways I worry more about and do more manual memory management than I did in C++.




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