Comment by jackclayton

Above poster is talking about thinking in terms of grouped lifetimes and bulk allocations/deallocations, which is better for performance, and makes Rust borrow checking and other RAII style features pointless as they don't add any safety benefits. This video completely changed the way I think, and I subsequently moved on from Rust: https://www.youtube.com/watch?v=xt1KNDmOYqA