{"ast_node_type":"other","tokens":[{"end":39,"kind":"keyword","start":0,"text":"//"}]}
        // type params has been parsed.
        // This will be true when a trait object type `Foo +` or a path which was a `const fn` with
        let was_op = matches!(self.prev_token.kind, token::Plus | token::Shr | token::Gt);