5 Basit Teknikleri için C# IList Kullanımı

5 Basit Teknikleri için C# IList Kullanımı

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Bu sayede mümasil done kuruluşlarını gene tekrar oluşturmak alegori, var olan kodu gene kullanabilirsiniz.

C# CollectionBase sınıfı, özelleştirilebilir koleksiyonların oluşturulmasını esenlar ve bu sayede yazılı sınavm projelerinde esneklik ve tekrar kullanılabilirlik esenlar.

Say I have a function that returns IEnumerable, inside the function I may use a List for an internal backing store to generate my collection, but I only want callers to enumerate it's contents, not add or remove. Accepting an interface birli a parameter communicates a similar message "I need a collection of strings, don't worry though, I won't change it."

Can a unique position be deduced if pieces are replaced by checkers (yaşama see piece color but derece type)

IList is a interface and doesn't have any implementation, so the performance of IList depending the class it implements

The Liskov Substitution Principle (simplified) states that a derived type should be able to be used in place of a base type, with no additional preconditions or postconditions.

I thought I'd never need to change from a List but had to later change to use a custom list library for the extra functionality it provided. Because I'd only returned C# IList Nasıl Kullanılır an IList none of the people that used the library had to change their code.

From my reading C# IList Nasıl Kullanılır I think I could have used IEnumberable instead of IList since I am just looping through stuff.

For collections you should aim to use IEnumerable where C# IList Neden Kullanmalıyız possible. This gives the most flexibility but is not always suited.

Then later if you decide to convert the actual data store from a List to a Dictionary and expose the dictionary keys as the actual value for the property (I have had to do exactly this before). Then consumers who have come to expect that their changes will be reflected inside of your class will no longer have that capability. That's a big problem! If you expose the List bey an IEnumerable you dirilik comfortably predict that your collection is not being modified externally. That is one of the powers of exposing List as any of the above interfaces.

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Is IList a good fit for your organisation? If a colleague asks you to change a method signature to use IList instead of List, ask them how they'd add an element to an IList. If they don't know about IsReadOnly (and most people don't), then don't use IList. Ever.

Dizin tarafından erişilebilen nesnelerin mutlak olarak belirlenmiş bir listesini oyun fiyat. Listeleri arama, sıralama ve işleme şekilleri katkısızlar.

The other general reason for using interfaces is C# IList Nerelerde Kullanılıyor to expose the minimum amount of knowledge C# IList Kullanımı necessary to the user of an object. Consider the (contrived) case where I have a data object that implements IList.