fn dot<S, W>(&self, writer: W, dot_options: S) -> Result<(), std::io::Error>
        where
            S: AsRef<str>,
            W: Write
    {
        self.dot_from_indices(
            writer,
            dot_options,
            |_| {
                ""
            }
        )
    }
/// * create dot file with empty labels
/// * default implementation uses `dot_from_indices`
create dot file with empty labels
default implementation uses `dot_from_indices`
create dot file with empty labels default implementation uses ` dot_from_indices `
fn dot<S, W>(&self, writer: W, dot_options: S) -> Result<(), std::io::Error>
        where
            S: AsRef<str>,
            W: Write
    {
        self.dot_from_indices(
            writer,
            dot_options,
            |_| {
                ""
            }
        )
    }
fn dot < S , W > ( & self , writer : W , dot_options : S ) -> Result < ( ) , std :: io :: Error > where S : AsRef < str > , W : Write { self . dot_from_indices ( writer , dot_options , | _ | { " " } ) }
create dot file with empty labels
 default implementation uses `dot_from_indices`
create dot file with empty labels default implementation uses ` dot_from_indices `
&self
writer
W
dot_options
S
&self
writer
W
dot_options
S