Rust code shared from the playground

playground.rs

extern crate rodio;

    use std::io::BufReader;
    use std::io::Read;
    fn main() {
        let endpoint = rodio::default_endpoint().unwrap();
        let sink = rodio::Sink::new(&endpoint);
        let sample_b =load_samplesbuffer("examples/music.ogg");
        sink.append(sample_b);

        sink.sleep_until_end();
    }
    pub fn load_samplesbuffer(filename: &str) -> rodio::buffer::SamplesBuffer<i16> {
        match std::fs::File::open(filename) {
            Ok(mut file) => {
                let mut data =vec![];
                file.read_to_end(&mut data).unwrap();
                let data2= data.iter().map(|x|{x.clone() as i16}).collect::<Vec<i16>>();
                rodio::buffer::SamplesBuffer::new(16,44100,data2)},
            Err(_) => panic!("Can't load music."),
        }
    }