use std::fmt;

struct Embed<T>(T);
impl<T: fmt::Debug> fmt::Debug for Embed<T> {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "\u{2068}{:?}\u{2069}", self.0)
    }
}

fn main() {
    let arr = [
      "א",
      "ב",
      "ג",
      "a",
      "b",
      "c",
    ];
    println!("without embedding: {:?}", arr);
    println!("with embedding: {:?}", Embed(arr));
}