{"ast_node_type":"function","tokens":[{"end":80,"kind":"keyword","start":0,"text":"fn"}]}
        fn make_expr(mut self: Box<ExpandInclude<'a>>) -> Option<P<ast::Expr>> {
    impl<'a> MacResult for ExpandInclude<'a> {
            let expr = parse_expr(&mut self.p).ok()?;