/*
toHex("hello world") ➞ "68 65 6c 6c 6f 20 77 6f 72 6c 64"

toHex("Big Boi") ➞ "42 69 67 20 42 6f 69"

toHex("Marty Poppinson") ➞ "4d 61 72 74 79 20 50 6f 70 70 69 6e 73 6f 6e"
*/
#[cfg(test)]
mod examples {
    use day56::to_hex;

    #[test]
    fn test_1() {
        assert_eq!(to_hex("hello world"), "68 65 6c 6c 6f 20 77 6f 72 6c 64");
    }
    #[test]
    fn test_2() {
        assert_eq!(to_hex("Big Boi"), "42 69 67 20 42 6f 69");
    }
    #[test]
    fn test_3() {
        assert_eq!(
            to_hex("Marty Poppinson"),
            "4d 61 72 74 79 20 50 6f 70 70 69 6e 73 6f 6e"
        );
    }
}