Interior mutability

A Rust pattern (Cell/RefCell/Mutex/RwLock) that permits mutation through a shared reference by shifting borrow enforcement from compile time to runtime checks or synchronization primitives.

grounded in: HN trend theme 'Rust-style design and concurrency pitfalls in systems code', grounded in this system's Rust/Yew/WASM stack (rust, yew, wasm concepts)

Connected concepts

Borrow checker, Send + Sync marker traits, Fearless Concurrency, Zero-cost abstractions