Satın Almadan Önce C# StructuralComparisons Kullanımı Things To Know
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The example then displays the elements in the array in unsorted order, sorts them by the third component (the population in 1970) and displays them, and then sorts them by the sixth component (the population in 2000) and displays them.
LBushkinLBushkin 131k3333 gold badges217217 silver badges265265 bronze badges 11 8 Why emanet't you just specify an IEqualityComparer yourself that does this? What does the IStructuralEquatable interface add to this?
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. The best example of this is arrays, which with .Safi 4 now implement the IStructuralEquatable interface. This makes it possible to distinguish whether you are comparing two arrays for reference equality, or for "structural equality" - whether they have the same number of items with the same values in each position. Here's an example:
The StructuralComparisons.StructuralEqualityComparer version require that the two collections emanet support the IStructuralEquatable interface. But I would expect that the later is faster if the two lists are uneven lengths.
StructuralEqualityComparer Gets a predefined object that compares two objects for structural equality.
The interface IStructuralEquatable was defined to allow a class to explicitly implement structural, rather than reference equality. Related classes include IStructuralComparable and StructuralComparisons.
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In structural comparison, two objects are compared based on their values. Objects hayat be ordered based on some criteria, and two objects are considered equal when they have equal values, hamiş because they reference the same physical object
The interface özgü a single member, CompareTo, which determines whether the current collection object is less than, equal to, or greater than a second object in the sort order.
Bu örnekler, StructuralComparisons sınıfının farklı muta kuruluşlarını muhaliflaştırmak midein elbette kullanılabileceğini göstermektedir. Diziler, tupler ve kompozit bilgi tipleri bağırsakaziz diziler gibi çeşitli done bünyelarında konstrüktif karşıtlaştırmalar binalabilir.
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Equals(Object, IEqualityComparer), its IEqualityComparer.Equals method is called for each member of an array or C# StructuralComparisons Nedir for each component of a tuple. This implementation of the Equals method behaves bey follows when it compares each item of a collection object with the corresponding item of another collection object: