fn is_palindrome(string: &str) -> bool {
    let half_len = string.len()/2;
    string.chars().take(half_len).eq(string.chars().rev().take(half_len))
}

macro_rules! test {
    ( $( $x:tt ),* ) => { $( println!("'{}': {}", $x, is_palindrome($x)); )* };
}

fn main() {
    test!("",
          "a",
          "ada",
          "adad",
          "ingirumimusnocteetconsumimurigni",
          "人人為我,我為人人",
          "Я иду с мечем, судия",
          "아들딸들아",
          "The quick brown fox");
}