Efficient Arc<ZST>

· Users Rust Lang · Nov. 10, 2026, 3:39 a.m.
Summary
The blog post discusses the use of `Arc<dyn Whatever>` in Rust programming and questions the necessity of its implementation, suggesting optimization by using `Arc` pulled from `Static` with `OnceLock` instead. It highlights the importance of understanding the underlying reasons for such design decisions in Rust and proposes a potential optimization strategy.