Method parse_next

examples/block3.rs:130–139

(&mut self)

    }

    fn parse_next(&mut self) -> Option<Element> {
        let next = self.tokens.get(self.current).map(|s| s.to_string());
        next.and_then(|next| {
            self.current += 1;
            match Element::parse_operator(&next) {
                Some(operator) => Some(operator),
                None => self.parse_cmd(next.to_string()).map(Element::Cmd),
            }
        })
    }

    fn parse_cmd(&mut self, binary: String) -> Option<Cmd> {
        let mut args: Vec<String> = vec![];