🔗 Rewriting Bun in Rust

Bun's evolution from Zig to Rust was not just a coding challenge; it aimed to resolve fundamental stability issues. The article details the ambitious journey of rewriting Bun's large codebase to enhance memory safety and eliminate bugs inherent in manual memory management. Originally a port from Go to Zig, the developer recognized weaknesses in Zig's handling of garbage-collected and manually-managed memory. By leveraging a new model from Anthropic, the team performed an efficient mechanical port to Rust, thus enabling safer code practices through Rust's strong type system and automatic memory management. The result? A more robust Bun, aiming for long-term stability and performance enhancement without sacrificing its original feature set. It's a case study in planning, execution, and leveraging AI in software development for increased reliability.