Slug: hash-btree-01 · Paired reading: Chapter 16
Prompt
fn sorted_keys(pairs: &[(i32, &str)]) -> Vec<(i32, String)> — insert
into a BTreeMap (later values overwrite), return key-value pairs in
ascending key order.
Enter your book access code
The curriculum, drills, tutor, and interviewer mode are for readers of Ace the Rust Interview. The code is printed in the Preface (Companion site access).
Don’t have the book yet? The landing page stays open — purchase unlocks this gym.
intermediate · order 92