Universes and Lifetimes in Rust - Higher-Ranked Types Implementation

Explore the implementation of higher-ranked types and trait bounds in Rust's compiler through this 51-minute technical talk. Dive into the concepts of universes and placeholders, understanding their role in subtyping. Learn about trade bounds, assignments, and the intricacies of region inference. Examine the implementation details, including cases with multiple placeholders and sharing. Follow along with the provided paper document or gist for a comprehensive understanding of these advanced Rust concepts.