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The Real Story Behind Polonius: Rust’s Next Borrow Checker: Revision history

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18 November 2025

  • curprev 10:1510:15, 18 November 2025 PC talk contribs 9,748 bytes +9,748 Created page with "500px When Rust first introduced the borrow checker, it changed how developers think about memory forever.
No garbage collector. No segfaults. Just pure compile-time guarantees. But the deeper people went, the more edges they found.
Lifetimes that refused to compile. Borrow errors that looked nonsensical.
You’d stare at the compiler’s angry red messages, muttering, “But I’m not even using that variable anymore!” That frus..."
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