#![allow(clippy::no_effect, unused)]
#![warn(clippy::needless_raw_string_hashes)]

fn main() {
    r"\aaa";
    r#"Hello "world"!"#;
    r####" "### "## "# "####;
    r###" "aa" "# "## "###;
    br"\aaa";
    br#"Hello "world"!"#;
    br####" "### "## "# "####;
    br###" "aa" "# "## "###;
    cr"\aaa";
    cr#"Hello "world"!"#;
    cr####" "### "## "# "####;
    cr###" "aa" "# "## "###;

    r"
        \a
        multiline
        string
    ";

    r"rust";
    r"hello world";
}

fn issue_13503() {
    println!(r"SELECT * FROM posts");
    println!(r"SELECT * FROM posts");
    println!(r#"SELECT * FROM "posts""#);
    println!(r#"SELECT * FROM "posts""#);

    // Test arguments as well
    println!("{}", r"foobar".len());
}