mod xml {
    use quick_xml;
    use quick_xml::events::Event;
    use quick_xml::Reader;

    pub fn stuff(xml: &str) {
        let mut reader = Reader::from_str(xml);
        reader.trim_text(true);

        let mut count = 0;
        let mut txt = Vec::new();
        let mut buf = Vec::new();

        // The `Reader` does not implement `Iterator` because it outputs borrowed data (`Cow`s)
        loop {
            match reader.read_event(&mut buf) {
                Ok(Event::Start(ref e)) => {
                    println!(
                        "Event::Start(ref e) {:?}",
                        String::from_utf8_lossy(e.name())
                    );
                    match e.name() {
                        b"tag1" => println!(
                            "attributes values: {:?}",
                            e.attributes().map(|a| a.unwrap().value).collect::<Vec<_>>()
                        ),
                        b"tag2" => count += 1,
                        _ => (),
                    }
                }
                Ok(Event::Text(e)) => {
                    println!("Event::Text(e)");
                    txt.push(e.unescape_and_decode(&reader).unwrap())
                }
                Ok(Event::Eof) => {
                    println!("Event::Eof");
                    break;
                } // exits the loop when reaching end of file
                Err(e) => panic!("Error at position {}: {:?}", reader.buffer_position(), e),
                _ => {
                    println!("Ignored event");
                } // There are several other `Event`s we do not consider here
            }

            println!("{:?}", txt);
            println!("|tag2| = {:?}", count);
            println!("");

            // if we don't keep a borrow elsewhere, we can clear the buffer to keep memory usage low
            // buf.clear(); // probably wasted since "clear() has no effect on allocated capacity"
        }
    }
}

fn main() {
    xml::stuff(
        r#"
            <tag1 att1 = "test">
                <tag2><!--Test comment-->TEST</tag2>
                <tag2>
                    Test 2
                </tag2>
            </tag1>
        "#,
    );
}