How Can C# Extension Methods Enhance Code Readability and Efficiency?

C#extension method: comprehensive guide

The C#extension method provides a powerful method for the existing class and types, which can add additional functions without modifying its original source code. Let us explore some of the most popular expansion methods, they expand the vision of C#development:

in () Method:

This expansion method is a multi -functional tool that expands the class hierarchical structure to support the more concise and easy -to -read syntax to check whether the value is a specified list. It eliminates the needs of the lengthy and repeated if-body statements, simplifying the code and improving readability.

code:

Example:

<code class="language-csharp">public static bool In<T>(this T source, params T[] list)
{
  if (source == null) throw new ArgumentNullException(nameof(source));
  return list.Contains(source);
}</code>

This concise grammar replace the following code:

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