Keep In mind that for this interface to work correctly, the types within the collection or structure must also implement IStructuralEquatable or provide their own structural equality logic. 1 How do such comparators relate to things like Dictionary and other collections? I know that Dictionary seems to handle structures sensibly https://juliushtcks.plpwiki.com/6100601/hakkında_herşey_c_istructuralequatable_temel_Özellikleri