Why is it discouraged to accept a reference to a String (&String), Vec (&Vec), or Box (&Box) as a function argument?
I wrote some Rust code that takes a &String as an argument: fn awesome_greeting(name: &String) { println!(“Wow, you are awesome, {}!”, name); } I’ve also written code that takes in a reference to a Vec or Box: fn total_price(prices: &Vec<i32>) -> i32 { prices.iter().sum() } fn is_even(value: &Box<i32>) -> bool { **value % 2 == … Read more
