Code Focused. Pattern Matching in C# 7.0 Case Blocks. Welcome to the 21st century, ... 02/02/2017; Switch statements and the case blocks they contain have been a mainstay of C-language flow-control ...

Documentation for the switch expression-- dated April 2021 -- reveals that: "Beginning with C# 8.0, you use the switch expression to evaluate a single expression from a list of candidate expressions ...