// move_semantics6.rs // // You can't change anything except adding or removing references. // // Execute `rustlings hint move_semantics6` or use the `hint` watch subcommand // for a hint. // I AM NOT DON fn main() { let mut data = "Rust is great!".to_string(); get_char(&mut data); string_uppercase(data); } // Should not take ownership fn get_char(data: &mut String) -> char { data.chars().last().unwrap() } // Should take ownership fn string_uppercase(mut data: String) { data = data.to_uppercase(); println!("{}", data); }