Yes, RC is the primary way to safely manage lifetimes of reference types in Swift. You can drop down to unsafe constructs to avoid RC overhead, and I sometimes

Yes, RC is the primary way to safely manage lifetimes of reference types in Swift. You can drop down to unsafe constructs to avoid RC overhead, and I sometimes do that in hot loops. Using unsafe to improve performance is not unfamiliar in Rust either, though Rust gives you better tools for building safe abstractions around it. Shared ownership is routine in UI programming - think event handlers, etc. These are the apps most commonly written in Swift. Does Rust avoid needing shared ownership for these types of apps? If so, how?