repo_description: Safe interop between Rust and C++
code: /// For use in impls of the `ExternType` trait. See [`ExternType`].
  ///
  /// [`ExternType`]: crate::ExternType
  #[macro_export]
  macro_rules! type_id {
      ($($path:tt)*) => {
          $crate::private::type_id! { $crate $($path)* }
      };
  }
  