# [ref_impl_eiffel] [791] The basic class and attribute checks appear to be working, based on current archetypes, including specialised ones. **Category:** [Reference Implementation: Eiffel (archive)](https://discourse.openehr.org/c/reference-implementation-eiffel-archive/161) **Created:** 2009-02-04 20:33 UTC **Views:** 5 **Replies:** 0 **URL:** https://discourse.openehr.org/t/ref-impl-eiffel-791-the-basic-class-and-attribute-checks-appear-to-be-working-based-on-current-archetypes-including-specialised-ones/13176 --- ## Post #1 by @svn1 Revision: 791 Author: thomas\.beale Log Message: --- **Canonical:** https://discourse.openehr.org/t/ref-impl-eiffel-791-the-basic-class-and-attribute-checks-appear-to-be-working-based-on-current-archetypes-including-specialised-ones/13176 **Original content:** https://discourse.openehr.org/t/ref-impl-eiffel-791-the-basic-class-and-attribute-checks-appear-to-be-working-based-on-current-archetypes-including-specialised-ones/13176