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rustlings/exercises/06_move_semantics/move_semantics5.rs
2024-06-21 18:29:00 +02:00

23 lines
458 B
Rust

// TODO: Fix the compiler errors without changing anything except adding or
// removing references (the character `&`).
fn main() {
let data = "Rust is great!".to_string();
get_char(data);
string_uppercase(&data);
}
// Shouldn't take ownership
fn get_char(data: String) -> char {
data.chars().last().unwrap()
}
// Should take ownership
fn string_uppercase(mut data: &String) {
data = &data.to_uppercase();
println!("{data}");
}