Question

How to get the last word from a string in Rust

Answer 1

fn get_last_word(s: &str) -> Option<&str> {
    s.split_whitespace().last()
}

fn main() {
    let my_string = "Rust has friendly compiler with useful error messages";
    if let Some(last_word) = get_last_word(my_string) {
        println!("The last word is: {}", last_word);
    } else {
        println!("No words found.");
    }
}

 

/*
run:

The last word is: messages

*/

 

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