Function rustfmt_nightly::source_file::write_file

pub(crate) fn write_file<T>(
    parse_sess: Option<&ParseSess>, 
    filename: &FileName, 
    formatted_text: &str, 
    out: &mut T, 
    emitter: &mut dyn Emitter, 
    newline_style: NewlineStyle
) -> Result<EmitterResult, Error> where
    T: Write,