Method parse_label_list

nodedb/src/control/promql/parser.rs:320–336

(&mut self)

    }

    fn parse_label_list(&mut self) -> Result<Vec<String>, PromqlError> {
        self.expect(&Token::LParen)?;
        let mut labels = Vec::new();
        if !matches!(self.peek(), Token::RParen) {
            if let Token::Ident(name) = self.advance().clone() {
                labels.push(name);
            }
            while matches!(self.peek(), Token::Comma) {
                self.advance();
                if let Token::Ident(name) = self.advance().clone() {
                    labels.push(name);
                }
            }
        }
        self.expect(&Token::RParen)?;
        Ok(labels)
    }

    fn try_keyword(&mut self, kw: &str) -> bool {
        if let Token::Ident(name) = self.peek()