# [ref_impl_eiffel] [876] Change INTERVAL.is_equal to equal_interval, and make all comparisons between INTERVAL[INTEGER] objects and also between MULTIPLICITY_INTERVAL objects use this instead of the standard is_equal.

**Category:** [Reference Implementation: Eiffel (archive)](https://discourse.openehr.org/c/reference-implementation-eiffel-archive/161)
**Created:** 2009-07-16 16:17 UTC
**Views:** 1
**Replies:** 0
**URL:** https://discourse.openehr.org/t/ref-impl-eiffel-876-change-interval-is-equal-to-equal-interval-and-make-all-comparisons-between-interval-integer-objects-and-also-between-multiplicity-interval-objects-use-this-instead-of-the-standard-is-equal/14297

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## Post #1 by @svn1

Revision: 876
Author:   thomas\.beale

Log Message:

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**Canonical:** https://discourse.openehr.org/t/ref-impl-eiffel-876-change-interval-is-equal-to-equal-interval-and-make-all-comparisons-between-interval-integer-objects-and-also-between-multiplicity-interval-objects-use-this-instead-of-the-standard-is-equal/14297
**Original content:** https://discourse.openehr.org/t/ref-impl-eiffel-876-change-interval-is-equal-to-equal-interval-and-make-all-comparisons-between-interval-integer-objects-and-also-between-multiplicity-interval-objects-use-this-instead-of-the-standard-is-equal/14297