Function parse_rule_ident_to_id_and_proc_ident 

fn parse_rule_ident_to_id_and_proc_ident(pair: Pair<'_, Rule>) -> (u32, String)

Parse the rule id out of the rule name and collect the name of the identifier used for specifying the process identifier

Example

For example Rule0(p) will be parsed to the tuple (0, “p”).