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Learning to program in rust
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this post was submitted on 05 Jul 2025
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Yes, pretty much like UML diagrams. Who is responsible for allocating memory and freeing it.
Languages like Swift, Objective-C, C++ have features that mean you don’t need to do this by hand. But you have to tell the compiler if you want to keep and object around and who owns it.
See this article on Objective-C to see the different ways to manage memory this language supports.
Ah, interesting. I went from garbage-collected languages where thinking about ownership might be useful for keeping complexity low and occasionally comes up when you manage lists of objects, but ultimately isn't needed, to Rust where well-defined ownership is enforced by the language.
So, I wasn't aware that ownership is even as concrete of a thing in other languages...
Oh you need this in garbage collected languages too, once you run into memory use issues. GC languages are notorious for being wasteful with memory, even when working correctly.