Pattern Matching

is/switch patterns, property, positional, list patterns, exhaustiveness, null checks

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Pattern MatchingA pattern is a test you apply to a value: "is it a Circle?", "is it null?", "is it between 0 and 100?", "does it have a Country of "CY"?". C# lets you use patterns in three places: the is expression (if (shape is Circle c)), the switch…, not read