pub fn results(&self) -> BTreeSet<String> {
        self.rules
            .iter()
            .map(|rule| rule.goal.name.clone())
            .collect()
    }
/// Returns the names of all relations produced by this program.
Returns the names of all relations produced by this program.
Returns the names of all relations produced by this program .
pub fn results(&self) -> BTreeSet<String> {
        self.rules
            .iter()
            .map(|rule| rule.goal.name.clone())
            .collect()
    }
pub fn results ( & self ) -> BTreeSet < String > { self . rules . iter ( ) . map ( | rule | rule . goal . name . clone ( ) ) . collect ( ) }
Returns the names of all relations produced by this program.
Returns the names of all relations produced by this program .
&self
&self