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#![allow(clippy::ptr_arg)]
// Borrows instead of taking ownership.
// It is recommended to use `&str` instead of `&String` here. But this is
// enough for now because we didn't handle strings yet.
fn get_char(data: &String) -> char {
data.chars().last().unwrap()
}
// Takes ownership instead of borrowing.
fn string_uppercase(mut data: String) {
data = data.to_uppercase();
println!("{data}");
}
fn main() {
let data = "Rust is great!".to_string();
get_char(&data);
string_uppercase(data);
}
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