Function main

2000-reverse-prefix-of-word.rs:12–16

()

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fn main() {
    let word = "abcdefd".to_string();
    let ch = 'd';
    println!("{:?}", reverse_prefix(word, ch));
}

pub fn reverse_prefix(word: String, ch: char) -> String {
    let s_index = word.find(ch);