Method to_string

src/octave.rs:224–231

(&self)

    }

    pub fn to_string(&self) -> String {
        let mut s = String::new();
        s = s + "1;\n";
        for j in &self.buf {
            s = s + &j + ";\n";
        }
        s
    }

    pub fn write(&self, filename: &str) -> Result<()> {