Structural Equality means that two objects are equal because they have equal values. It differs from reference equality, which indicates that two object references are equal because they reference the same physical object. The IStructuralEquatable interface enables you to implement customized comparisons to check for the structural equality of collection https://cobjectkullanm06273.wikisona.com/804832/en_kuralları_of_c_istructuralcomparable_kullanımı