In the previous blog posts about C# 9.0 you learned about different features:

• Top-level statements
• Init-only properties
• Records
• Target-typed new expressions
• Improved Pattern Matching

In this blog post, let's look at C# 9.0 pattern matching in switch expressions.

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In the previous blog posts about C# 9.0 you learned about different features:

• Top-level statements
• Init-only properties
• Records
• Target-typed new expressions

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

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In the previous blog posts you learned about different C# 9.0 features:

• Top-level statements
• Init-only properties
• Records

In this blog post, let's look at another very interesting feature of C# 9.0 that is called target-typed new expressions.

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In the previous blog posts you learned about different C# 9.0 features:

• Top-level statements
• Init-only properties

In this blog post, let's look at another very interesting feature of C# 9.0 that is called record types or just records.

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In the previous blog post you learned about C# 9.0 top-level statements. In this blog post you learn about another C# 9.0 feature that is called init-only properties.

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C# 9.0 introduces many new language features, and with this blog post I start a little series to look at some of those new features. Let's start in this post with top-level statements.

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In the previous blog post you learned about different ways to do a null check. The traditional way is to use the == operator:

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What is the classic way to check if for example a parameter value is null? If you've developed with C# since a while, you might be familiar with this classic syntax:

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Recently there was a discussion in a Pull Request for the .NET runtime on GitHub. In the discussion it was mentioned by Jan Kotas from Microsoft that the order of interfaces is important for the casting performance.

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