Function get_writer 

pub fn get_writer<P: AsRef<Path>>(
    path: &Option<P>,
    bgzipped: bool,
    write_headers: bool,
    threads: usize,
    compression_level: u32,
) -> Result<Writer<Box<dyn Write>>>

Open a CSV Writer to a file or stdout.

Errors

• If file can’t be created

Panics

• If unable to parse input path