C# 9.0: Improved Pattern Matching

C# 9.0: Improved Pattern Matching

In this blog post, let’s look at another feature of C# 9.0, the improved pattern matching. Pattern matching enables idioms where data and the code are separated, unlike object-oriented designs where data and the methods that manipulate them are tightly coupled.

In this blog post, let’s look at another feature of C## 9.0, the improved pattern matching.

What is Pattern Matching?

Before we clarify what pattern matching is, let’s first understand what a pattern is. The Microsoft Docs say this:

Patterns test that a value has a certain shape, and can extract information from the value when it has the matching shape.


Ok, so a pattern checks if a value has a certain shape, and if that’s the case, the pattern matches – that’s why it’s called pattern matching. A pattern can also extract information that you can use in your code. You usually use patterns in your code already today. Let’s look at the is pattern expression.

csharp dotnet developer programming

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