Rust's Garbage Collector: Building a Solution for Cyclic References

2023/08/14

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The article discusses the creation of a garbage collector for Rust, a language that is designed to eliminate the need for garbage collection. The author explains that while Rust offers reference-counted garbage collectors, they are unable to handle cyclic references. To address this limitation, the author proposes creating a Gc data structure with a similar API to Rust's existing garbage collectors. The article outlines the challenges and tools available for building the collector and describes the author's approach to detecting reachability without scanning the stack. The author also provides source code and a download link for the garbage collector on GitHub and crates.io. This article is relevant for developers interested in Rust's memory model and garbage collection techniques.