Açıklaması C# IList Nerelerde Kullanılıyor Hakkında 5 Basit Tablolar

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Bir dahaki sefere tefsir yaptığımda kullanılmak üzere aşamaı, e-posta adresimi ve web şehir adresimi bu tarayıcıevet kaydet.

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, hamiş add or remove. Accepting an interface bey a parameter communicates a similar message "I need a collection of strings, don't worry though, I won't change it."

Birey a unique position be deduced if pieces are replaced by checkers (birey see piece color but hamiş 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.

Inside the method, you should use var, instead of IList or List. When your data source changes to come from a method instead, your onlySomeInts method will survive.

Don't you know in advance if your method needs a list that yaşama take additional members; don't you specify that in the method signature? What exactly were you going to do if you were passed a read only list like int[]?

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

Then later if you decide to convert C# IList Nedir the actual data store from a List to a Dictionary and expose the dictionary keys kakım the C# IList Kullanımı 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 C# IList Neden Kullanmalıyız longer have that capability. That's a big mesele! If you expose the List as an IEnumerable you emanet comfortably predict that your collection is derece being modified externally. That is one of the powers of exposing List bey any of the above interfaces.

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In this case you could pass in any class which implements the IList interface. If you used List instead, only a List instance could be passed in.

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

It doesn't affect the signature of the method, and is kaş in stone at compile time. You should instead be helping him get C# IList Nedir over his confusion about declaring his local like IList foo = new List - this is where his confusion clearly lies.

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