Garbage collected smart pointers in Rust via concurrent cycle collection

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The post discusses a new approach to implementing garbage collection in Rust using concurrent cycle collection, building on the previous Bacon-Rajan algorithm. The proposed method offers advantages in memory efficiency and stack safety by utilizing a breadth-first collection technique that reduces the risk of stack overflow during tracing. Notably, it integrates Rust's type system and borrow checker, which enhances its safety over existing alternatives. The comments highlight some implementation challenges and suggest areas for further exploration, specifically regarding the use of `static` variables and the potential for optimizing garbage collection across multiple threads. Overall, this innovation could signify a shift in how garbage collection is approached in systems programming languages like Rust, providing developers with greater flexibility and safety in managing memory in complex object graphs.
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