Function truncate_sentence

1816-truncate-sentence.rs:14–17

(s: String, k: i32)

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pub fn truncate_sentence(s: String, k: i32) -> String {
    let words: Vec<String> = s.split(" ").map(|word| word.to_string()).collect();
    words[0..k as usize].join(" ")
}

fn main() {
    println!("{:?}", truncate_sentence("Hello how are you Contestant".to_string(), 4));