"Are there any simple groups that appear as zeros of the zeta function?" by Peter Freyd; why is this consternating to mathematicians?
Today, you almost always use IList, the primary reason for IList to still be around is for reasons of backwards compatibility.
Elemanların Sıralı Yapkaloriı Esirgeme: IList, elemanların eklenme sırasını korur. Bu özellik, bilgi yapkaloriın sıralı olmasını ve izlenceın beklentilerine yaraşır çtuzakışmasını katkısızlar.
It's more nuanced than that. If you are returning an IList kakım part of the public interface to your library, you leave yourself interesting options to perhaps make a custom list in the future.
Basically, I need to see some actual code examples of how using IList would have solved some sıkıntı over just taking List into everything.
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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 an IList none of the people that used the library had to change their code.
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In most cases, if you are using C# IList Nerelerde Kullanılıyor a List and you think you could use a narrower interface instead - why not IEnumerable? This is often a better fit if you don't need to add items. If you need to add to the collection, use the concrete type, List.
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It is like this other question. The other question shares a lot of C# IList Nedir common ground, but is arguably not a true duplicate. In either case though, this is hamiş opinion-based. What may have happened is C# IList Neden Kullanmalıyız that the closer might have just looked at this question's title, without reading the question itself. The C# IList Kullanımı body is objective.
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 birey be with it.
Encapsulation relies on telling clients kakım little about the implementation of your class birli possible. If you return a concrete List, you gönül't then change to some other better type without forcing all of your clients to re-compile/update.