for i in &v2 { println!("{}", i); } struct Point<T> x: T, y: T,
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fn largest<T: PartialOrd + Copy>(list: &[T]) -> T let mut largest = list[0]; for &item in list if item > largest largest = item; for i in &v2 { println
Traits are also used as on generics. 17. Lifetimes (The Scary Part – Made Simple) Lifetimes ensure references are always valid. Usually, the compiler infers them (lifetime elision). Sometimes you must annotate. Usually, the compiler infers them (lifetime elision)
For simple types (integers, booleans, etc.) that implement the Copy trait, assignment copies instead of moves.
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