# [ref_impl_eiffel] [381] Fix an obvious programming error, where a BOOLEAN was being compared to Void. **Category:** [Reference Implementation: Eiffel (archive)](https://discourse.openehr.org/c/reference-implementation-eiffel-archive/161) **Created:** 2007-10-09 06:31 UTC **Views:** 1 **Replies:** 0 **URL:** https://discourse.openehr.org/t/ref-impl-eiffel-381-fix-an-obvious-programming-error-where-a-boolean-was-being-compared-to-void/13117 --- ## Post #1 by @svn1 Revision: 381 Author: peter\.gummer Log Message: --- **Canonical:** https://discourse.openehr.org/t/ref-impl-eiffel-381-fix-an-obvious-programming-error-where-a-boolean-was-being-compared-to-void/13117 **Original content:** https://discourse.openehr.org/t/ref-impl-eiffel-381-fix-an-obvious-programming-error-where-a-boolean-was-being-compared-to-void/13117