This repository has been archived on 2023-03-24. You can view files and clone it, but cannot push or open issues or pull requests.
rustlings-exercises-completed/exercises/move_semantics/move_semantics6.rs

24 lines
520 B
Rust
Raw Normal View History

// move_semantics6.rs
// Execute `rustlings hint move_semantics6` or use the `hint` watch subcommand for a hint.
// You can't change anything except adding or removing references.
fn main() {
let data = "Rust is great!".to_string();
2023-03-24 16:18:51 -05:00
get_char(&data);
2023-03-24 16:18:51 -05:00
string_uppercase(data);
}
// Should not take ownership
2023-03-24 16:18:51 -05:00
fn get_char(data: &String) -> char {
data.chars().last().unwrap()
}
// Should take ownership
2023-03-24 16:18:51 -05:00
fn string_uppercase(mut data: String) {
data = data.to_uppercase();
println!("{}", data);
}