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• 13:06, 23 November 2025 PC talk contribs created page How to (Safely) Create a Global, Mutable Singleton in Rust — and When You Actually Should (Created page with "500px Summary * Prefer no globals: construct early (e.g., in main) and pass &mut/& where needed. * If you must have a global: use std::sync::LazyLock (Rust ≥ 1.80) with a lock type (Mutex/RwLock) that matches your access pattern. * For single-threaded graphics loops (typical OpenGL): consider thread_local! + RefCell to avoid cross-thread locking. * For counters/flags: use atomics. * Avoid static mut and ra...")