PR3-Rust-SS26/D-ownership/example-code/03-borrowing/reference.rs

fn main() {
	let s1 = String::from("hello");
	
	let len = calculate_length(&s1);
	
	println!("The length of '{s1}' is {len}.");
}

fn calculate_length(s: &String) -> usize {
	s.len()
}