Method parse

pest/src/macros.rs:335–348

(_: Rule, input: &str)

    impl Parser<Rule> for AbcParser {
        fn parse(_: Rule, input: &str) -> Result<Pairs<'_, Rule>, Error<Rule>> {
            state(input, |state| {
                state
                    .rule(Rule::a, |s| {
                        s.skip(1)
                            .unwrap()
                            .rule(Rule::b, |s| s.skip(1))
                            .unwrap()
                            .skip(1)
                    })
                    .and_then(|s| s.skip(1).unwrap().rule(Rule::c, |s| s.match_string("e")))
                    .and_then(|s| s.optional(|s| s.rule(Rule::d, |s| s.match_string("fgh"))))
            })
        }
    }

    #[test]