C# IList Nasıl Kullanılır No Further Mystery

C# IList Nasıl Kullanılır No Further Mystery

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Else use List. You kişi't really argue "oh but I KNOW that I will always pass in a List here", then you should take a List derece an IList, else you are breaking Liskov substitution principle: "if S is a subtype of T, then objects of type T may be replaced with objects of type S"

Bu şekilde listelerin birbirini point etmesi ve rabıtlı listenin elemanlarına değer verilmesi esenlanmaktadır.

lomaxxlomaxx 115k5858 gold badges146146 silver badges180180 bronze badges 1 Why would you return an IList in the first place? From a WCF service?

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.

In addition to the older code that doesn't know about generics, there are also a lot of cases where you know you have a list

IList on the other hand is an Interface. Basically, if you want to create your own custom List, say a list class called BookList, then you sevimli use the Interface to give you basic methods and structure to your new class. IList is for when you want to create your own, special sub-class that implements List.

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 C# IList Neden Kullanmalıyız I'd only returned an IList none of the people that used the library had to change their code.

class C# IList Nedir Kisi string ad; string soyad; public string Ad get return ad; seki ad = value; public string Soyad get return soyad; grup soyad = value;

If the parameter type is IList, then the caller özgü much more freedom, and hayat use classes you never heard C# IList Kullanımı about, which may not even have existed when your code was written.

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Of course that only C# IList Nerelerde Kullanılıyor need apply to methods that are externally visible (i.e. public methods). I personally use interfaces even in internal code, but as you are able to change all the code yourself if you make breaking changes it's not strictly necessary.

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.

If you're just enumerating over the values, you should be using IEnumerable. Every type of datatype that birey hold more than one value implements IEnumerable (or should) and makes your method hugely flexible.

So I have been playing around with some of C# IList Nerelerde Kullanılıyor my methods on how to do this. I am still derece sure about the return type(if I should make it more concrete or an interface).