Error Handling
1 posts
Rust Compiler Error 'cannot borrow as mutable'? Think of s.clear() as 'Tearing a Book'
Why does s.clear() cause a mutable borrow error? This article uses a ’library book’ analogy to help you thoroughly understand Rust’s borrowing rules and lifetime conflicts.
February 1, 2026 · 5 min · 868 words · RexAI