Bir İnceleme C# IList Neden Kullanmalıyız

Bir İnceleme C# IList Neden Kullanmalıyız

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What US checks and balances prevent the FBI from raiding politicians unfavorable to the federal government?

Elemanların Sıralı Yapısını Müdafaa: IList, elemanların eklenme sırasını korur. Bu özellik, data yapkaloriın sıralı olmasını ve izlenceın beklentilerine uygun çallıkışmasını sağlamlar.

Then click on the bulb symbol or place the cursor on the IList and press Strg + "." You will become several implementations offered, like:

I tend to follow Jeffrey's advice for internal code, but for a public library, I would probably be more inclined to follow Eric's.

This level of abstraction goes the other direction when it belongs to method parameters. When you pass your list to a method that accepts IEnumerable you emanet be sure that your list is hamiş going to be modified. When you are the person implementing the method and you say you accept an IEnumerable because all you need to do is iterate through that list.

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If your methods form part of C# IList Neden Kullanmalıyız an interface, the methods will need to be defined using types available C# IList Neden Kullanmalıyız to that interface.

For collections you should aim to use IEnumerable where possible. This gives the most flexibility but is hamiş always suited.

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On the other hand, when returning an object out of a function, you want to give the user the richest possible takım of operations without them having to cast around. So in that case, if it's a List internally, return a copy as a List.

rajeshrajesh 39133 silver badges22 bronze badges 1 8 Excellent, clear answer, which I marked as helpful. However, I would C# IList Nedir add that for most developers, most of the time, the tiny difference in izlence size and performance is derece worth worrying about: if in doubt, just use a List.

You gönül pass a plain array to something which accepts an IList parameter, and then you emanet call IList.Add() and will receive a runtime exception:

For instance, if you return C# IList Nedir an IEnumerable, then you are limiting them to iterating -- they kişi't add or remove items from your object, they güç only act against the objects. If you need to expose a collection outside of a class, but don't want to let the caller change the collection, this is one way of doing it. On the other C# IList Kullanımı hand, if you are returning an empty collection that you expect/want them to populate, then an IEnumerable is unsuitable.