fn servers_to_urls(&self) -> std::result::Result<Vec<Url>, DigError> {
        self.servers
            .iter()
            .map(|url| match url.parse() {
                Err(e) => Err(DigError::ArgParseError(format!(
                    "failed to parse '{}': {}",
                    url, e
                ))),
                Ok(url) => Ok(url),
            })
            .collect()
    }
/// Helper function to return the list of servers as a `Vec[Url]`.
Helper function to return the list of servers as a `Vec[Url]`.
Helper function to return the list of servers as a ` Vec [ Url ] ` .
fn servers_to_urls(&self) -> std::result::Result<Vec<Url>, DigError> {
        self.servers
            .iter()
            .map(|url| match url.parse() {
                Err(e) => Err(DigError::ArgParseError(format!(
                    "failed to parse '{}': {}",
                    url, e
                ))),
                Ok(url) => Ok(url),
            })
            .collect()
    }
fn servers_to_urls ( & self ) -> std :: result :: Result < Vec < Url > , DigError > { self . servers . iter ( ) . map ( | url | match url . parse ( ) { Err ( e ) => Err ( DigError :: ArgParseError ( format ! ( " " url e ) ) ) , Ok ( url ) => Ok ( url ) , } ) . collect ( ) }
Helper function to return the list of servers as a `Vec[Url]`.
Helper function to return the list of servers as a ` Vec [ Url ] ` .
&self