
What is IEnumerable in .NET? - Stack Overflow
Jun 10, 2010 · I think IEnumerable is poorly named. Mathematically, and in computing, an enumerable is anything that maps to a countable set. So outside of .net an IObservable may be enumerable. In …
IEnumerable vs List - What to Use? How do they work?
Sep 2, 2010 · IEnumerable describes behavior, while List is an implementation of that behavior. When you use IEnumerable, you give the compiler a chance to defer work until later, possibly optimizing …
Can anyone explain IEnumerable and IEnumerator to me?
The IEnumerable and IEnumerator Interfaces To begin examining the process of implementing existing .NET interfaces, let’s first look at the role of IEnumerable and IEnumerator.
What's the role of IEnumerable<T> and why should I use it?
Jun 6, 2011 · IEnumerable<T> is an interface that tells us that we can enumerate over a sequence of T instances. If you need to allow somebody to see and perform some action for each object in a …
.net - Initializing IEnumerable<string> In C# - Stack Overflow
IEnumerable is an interface, instead of looking for how to create an interface instance, create an implementation that matches the interface: create a list or an array.
c# - How do I implement IEnumerable<T> - Stack Overflow
Jul 2, 2012 · I know how to implement the non generic IEnumerable, like this: using System; using System.Collections; namespace ConsoleApplication33 { class Program { static void Main(string[] ...
How can I add an item to a IEnumerable<T> collection?
IEnumerable<T> is meant for querying collections only. It is the backbone for the LINQ framework. It is always an abstraction of some other collection such as Collection<T>, List<T>, or Array. The …
What's the difference between IEnumerable and Array, IList and List?
IEnumerable is a general-purpose interface that is used by many classes, such as Array, List and String in order to let someone iterate over a collection. Basically, it's what drives the foreach statement.
IEnumerable Where() and ToList() - What do they really do?
Feb 21, 2017 · I was wondering what exactly the Where() and ToList() methods are doing. Specifically I was wondering if the Where() will create a new object in memory or return a new object. Ok, looking …
LINQ equivalent of foreach for IEnumerable<T> - Stack Overflow
MoreLinq has IEnumerable<T>.ForEach and a ton of other useful extensions. It's probably not worth taking the dependency just for ForEach, but there's a lot of useful stuff in there.