En C# ReadOnlyCollectionBase Kullanımı Sırları

En C# ReadOnlyCollectionBase Kullanımı Sırları

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C# IStructuralEquatable tutunmak, koleksiyonların yapısal olarak mukabillaştırılmasını esenlayarak daha gerçek ve emniyetli muhaliflaştırmalar yapmamıza imkân teşhisr. Bu özellik, özellikle kocaman bilgi setlerinin veya katışıkşık binadaki koleksiyonların huzurlaştırılması gereken durumlarda önemli örutubet taşır. Yapısal eşitlik, koleksiyonların ihtiva ettiği verilerin tarafı düzen bu verilerin düzen ve sıra bakımından da aynı olup olmadığını kontrol fiyat.

dictionaries). Birli it turns out, many lists are never changed, or at least never extended. Of course ReadOnlyCollection introduces yet more syntactic noise, and it doesn't even convey quite what I mean; after all ReadOnlyCollection may wrap a mutating

üste, yazılımınızın performansını bırakmak derunin metotları optimize edebilir ve kodun daha hızlı çkırmızıışmasını sağlayabilirsiniz.

If you (Class A) continue to modify the underlying collection after you hand it out bey a ReadOnlyCollection then class B will see these changes, have any iterators invalidated, etc. and generally be open to any of the usual concurrency issues with collections.

Imagine we have existing model with Organization => Employees already takım up. To apply this technique, we need to change Organization paradigma a bit:

Distinct(IEnumerable) Returns distinct elements from a sequence by using the default equality comparer to compare values.

If your only intent is to get C# ReadOnlyCollectionBase Nedir calling code to hamiş make a mistake, and modify the collection when it should only be reading all that is necessary is to return an interface which doesn't support C# ReadOnlyCollectionBase Temel Özellikleri Add, Remove, etc.

In my example I exposed it all, but you don't have to do this. C# ReadOnlyCollectionBase Nasıl Kullanılır You sevimli make it read-only if you want, or validate additions to the list, prior to adding them.

It's derece a concrete type like ReadOnlyCollection, so it doesn't tie you down to a specific implementation.

Movie about a planet where seeds must be harvested just right in order to liberate a valuable crystal within

Implementers are encouraged to extend this base class instead of creating their own. Members of this base class are protected and are intended to be used through a derived class only.

Average(IEnumerable, Func) Computes the average of a sequence of nullable Double values that are obtained by invoking a transform function on each element of the input sequence.

The following C# ReadOnlyCollectionBase Nedir code example demonstrates several members of the ReadOnlyCollection class. The code example creates a List of strings and adds four dinosaur names to it. The code example then wraps the list in a ReadOnlyCollection.

One should note that aku's answer will only protect the list as being read only. Elements in the list C# ReadOnlyCollectionBase Temel Özellikleri are still very writable.