Greatest Kılavuzu C# IList Kullanımı için

Greatest Kılavuzu C# IList Kullanımı için

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It's always best to use the lowest base type possible. This gives the implementer of your interface, or consumer of your method, the opportunity to use whatever they like behind the scenes.

From this it follows that your method implementation birey represent its local variables however you wish. The implementation details are not exposed. Leaving you free to change your code to something better without affecting the people calling your code.

Koleksiyonlar, verileri belli başlı bir düzende depolamak ve yönetmek yürekin kullanılan data bünyelarıdır. CollectionBase ile kendi koleksiyonlarınızı oluştururken, bu veri strüktürlarını henüz etkin ve verimli bir şekilde kullanabilirsiniz.

Your functions above only care about being able to iterate over a list. Ideally they shouldn't need to know who implements that list or how they implement it.

The preceeding line of code will work, but you will only have the members of IList available to you instead of the full kaş from whatever class you initialize.

You hayat have an instance of an interface, but you need to initialize it with C# IList Nasıl Kullanılır a class that implements that interface such birli:

Bu şehir, istenmeyenleri azaltmak ciğerin Akismet kullanıyor. Tefsir verilerinizin nasıl teamüllendiği karşı daha lüks bilgi edinin.

Matthew WatsonMatthew Watson 108k1111 gold badges170170 silver badges290290 bronze badges 2 2 This is trivially true for every interface. If you want to follow through with your argument, than you could argue to never use any interface at all, because some implementation of it might throw.

If the parameter type is IList, then the caller saf much more freedom, and yaşama use classes you never heard about, which may hamiş even have C# IList Nedir existed when your code was written.

The Cast function is just a reimplementation of the extension method that comes with 3.5 written birli a alışılagelen static method. It is quite ugly and verbose unfortunately.

This argument only works if you write your own implementation of IList from sratch (or at least without inheriting List)

Benefit of using an Interface is that you get to implement your functionality or better yet, the only C# IList Neden Kullanmalıyız functionality C# IList Kullanımı you require. So, if iteration/enumeration is required only, then there is no need for the Sort, Add methods.

When talking about return types, the more specific you are, the more flexible callers can be with it.

additional advantage is that your code is safe from any changes to C# IList Neden Kullanmalıyız concrete class kakım you are subscribing to only few of the methods of concrete class and those are the ones that are going to be there kakım long as the concrete class inherits from the interface you are using.