{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"//"}]}
            // A lifetime is invalid here: it would be part of a bare trait bound, which requires
        if self.token.is_lifetime() && mutbl == Mutability::Mut && opt_lifetime.is_none() {
            // it to be followed by a plus, but we disallow plus in the pointee type.