Compare length of two strings: Difference between revisions

=={{header|Rust}}==

<lang Rust>

fn compare_and_report<T: ToString>(string1: T, string2: T) -> String {

let strings = [string1.to_string(), string2.to_string()];

let difference = strings[0].len() as i32 - strings[1].len() as i32;

if difference == 0 { // equal

format!("\"{}\" and \"{}\" are of equal length, {}", strings[0], strings[1], strings[0].len())

} else if difference > 1 { // string1 > string2

format!("\"{}\" has length {} and is the longest\n\"{}\" has length {} and is the shortest", strings[0], strings[0].len(), strings[1], strings[1].len())

} else { // string2 > string1

format!("\"{}\" has length {} and is the longest\n\"{}\" has length {} and is the shortest", strings[1], strings[1].len(), strings[0], strings[0].len())

}

}

fn main() {

println!("{}", compare_and_report("a", "b"));

println!("\n{}", compare_and_report("cd", "e"));

println!("\n{}", compare_and_report("f", "gh"));

}

</lang>

{{out}}

<pre>

"a" and "a" are of equal length, 1

"d" has length 1 and is the longest

"bc" has length 2 and is the shortest

"fg" has length 2 and is the longest

"e" has length 1 and is the shortest

</pre>