They aren't Send and Sync, ie not multithreading safe, they are however, reentrant safe, which is all I need. rustc complaints and I don't want to implement tra

They aren't Send and Sync, ie not multithreading safe, they are however, reentrant safe, which is all I need. rustc complaints and I don't want to implement traits on types that don't need them and don't adhere to the contract of the trait.