error[E0284]: type annotations needed
   --> src/main.rs:220:38
    |
220 |         match self.invocation_parser.go(inp) {
    |                                      ^^ cannot infer type of the type parameter `M` declared on the method `go`
    |
    = note: cannot satisfy `<_ as chumsky::private::Mode>::Output<Vec<(String, String)>> == Vec<(String, String)>`

impl<'src, 'b, I> ExtParser<'src, I, Vec<(String, String)>, ExtraWithoutContext<'src>>
    for MacroArgumentsParser<'src, 'b, I>
where
    I: chumsky::input::Input<'src, Token = char, Span = SimpleSpan>
        + ValueInput<'src>
        + StrInput<'src>,
{
    fn parse(
        &self,
        inp: &mut chumsky::input::InputRef<'src, '_, I, ExtraWithoutContext<'src>>,
    ) -> Result<
        Vec<(String, String)>,
        <ExtraWithoutContext<'src> as extra::ParserExtra<'src, I>>::Error,
    > {
        let before = inp.save();
        // This call to `go` currently fails to build, with the error:
        // cannot infer type of the type parameter `M` declared on the method `go`
        match self.invocation_parser.go(inp) {
            Ok(output) => Ok(output),
            Err(()) => {
                let span = inp.span_since(&before.cursor());
                Err(Rich::custom(
                    span,
                    "failed to parse parameter list".to_string(),
                ))
            }
        }
    }
}