length(… → read … add_exc… → can c… let fir… → many … References and Borrowing Let a function use a value without taking ownership of it. レッスンを見る →
a: &'a str b: &'a str -> &'a str Lifetimes Tell the compiler how long references stay valid with lifetime annotations. レッスンを見る →
Node(1) Node(2) Node(3) End Smart Pointers: Box and Rc Put data on the heap with Box and share ownership with Rc. レッスンを見る →