To remain compatible with methods that iterate non-generic collections, IEnumerable<T> implements IEnumerable. This allows a generic collection to be passed to a method that …

Jun 10, 2010 · Now what makes IEnumerable really stand out is iterator blocks (the yield keyword in C#). Iterator blocks implement the IEnumerable interface like a List or an Array, but they're …

Aug 10, 2025 · A single IEnumerable method can reduce code size—this has speed advantages. For numeric methods, though, using an array directly is usually a faster approach.

In this tutorial, you'll learn about C# IEnumerable interface which is the key to LINQ.

IEnumerable in C# is an interface that defines a standard way to iterate over a collection of objects. It provides a simple and efficient mechanism to access elements within a sequence, …

Jul 23, 2025 · In this article, we are going to implement an IEnumerable interface using LINQ. This interface is used to iterate over the collections like list, stack, queue, etc.

Apr 3, 2025 · IEnumerable is the base interface for all non-generic collections. Its generic counterpart, IEnumerable<T>, is preferred in modern .NET applications. Key features include …

IEnumerable in C# is an interface that defines one method, GetEnumerator, which returns an IEnumerator object. This interface is found in the System.Collections namespace.

It uses the features of an IEnumerable to allow you to query IEnumerable collections. LINQ works on the premise that, because an IEnumerable is not enumerated until it's executed (such as in …

Jan 2, 2025 · The IEnumerable interface in C# enables iteration over a collection of elements in a read-only, forward-only manner. It includes a method called GetEnumerator, which returns an …