Function mime_multipart::write_multipart

pub fn write_multipart<S: Write>(stream: &mut S,
                                 boundary: &Vec<u8>,
                                 nodes: &Vec<Node>)
                                 -> Result<usize, Error>

Stream a multipart body to the output stream given, made up of the parts given. Top-level headers are NOT included in this stream; the caller must send those prior to calling write_multipart(). Returns the number of bytes written, or an error.