pub enum AssetFileReader<'r, R>
where
    R: AsyncRead + AsyncSeek + Unpin,
{
    // This "DirectFileReader" thing just holds a reference to an async File
    // It also forwards the async File AsyncRead and AsyncSeek implementations
    Normal(DirectFileReader<'r, R>),
    Decompressed(Compat<TempFile>),
}

impl<'r, R: AsyncRead + AsyncSeek + Unpin> AsyncRead for AssetFileReader<'r, R> {
    fn poll_read(
        self: Pin<&mut Self>,
        cx: &mut std::task::Context<'_>,
        buf: &mut [u8],
    ) -> Poll<futures_lite::io::Result<usize>> {
        let this = self.get_mut();

        match this {
            AssetFileReader::Normal(r) => Pin::new(r).poll_read(cx, buf),
            AssetFileReader::Decompressed(r) => {
                // This is perhaps what the API should look like?
                let _guard = enter_tokio_runtime();
                Pin::new(r).poll_read(cx, buf)
            },
        }
    }
}

// The AsyncSeek implementation is similar