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30 sty 2023 · In this article. You use the is expression, the switch statement and the switch expression to match an input expression against any number of characteristics. C# supports multiple patterns, including declaration, type, constant, relational, property, list, var, and discard.
25 lut 2024 · Learn how to use patterns in switch expressions in C# 9.0, which allows you to switch by any type, use relational patterns, and combine patterns with and or. Compare switch expressions with switch statements before and after C# 7.0 and see examples of different features.
Learn how to use pattern matching to test expressions and take action in C#. See examples of null checks, type tests, switch expressions, relational patterns, and multiple inputs.
2 gru 2022 · Learn about the C# `switch` expression that provides switch-like semantics based on pattern matching. You can compute a value based on which pattern an input variable matches.
16 lip 2024 · Learn how to use switch expressions and pattern matching to enhance your C# code readability, maintainability, and expressiveness. See practical examples of data validation, state management, and configuration parsing with switch expressions and patterns.
If you upgrade to C# 9.0, your original switch statement will now compile! C#9.0 has added Relational patterns to pattern matching in general, which includes switch statements. You can now do some really funky stuff, like this:
Learn how to use the new features of C# 8 switch statements to simplify complex control flow and match values based on type, pattern, or expression. See examples of declaration, var, case guards, discard, positional, property, and recursive patterns.
