pub fn get_class_name(&self) -> Result<String> {
        unsafe {
            self.handlers()?
                .get_class_name
                .and_then(|f| f(self).as_ref())
                .ok_or(Error::InvalidScope)
                .and_then(TryInto::try_into)
        }
    }
Attempts to retrieve the class name of the object.

# Errors

* `Error::InvalidScope` - If the object handlers or the class name
cannot be retrieved.
src/types/object.rs