Features used day to day: primary constructors and collection expressions (C# 12), required + init properties, switch expressions with patterns, property patterns, plus records, file-scoped namespaces, global usings and raw string literals.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | // ====================================================================== // Q: Which modern C# features do you use? // // Features used day to day: primary constructors and collection expressions (C# // 12), required + init properties, switch expressions with patterns, property // patterns, plus records, file-scoped namespaces, global usings and raw string // literals. // ====================================================================== public class OrderService(IOrderRepository repo, ILogger<OrderService> log) { } // primary ctor (C# 12) int[] ids = [1, 2, 3]; // collection expressions (C# 12) public required string Sku { get; init; } // required + init var label = status switch // switch expression + patterns { OrderStatus.Draft or OrderStatus.Placed => "Open", OrderStatus.Shipped => "Done", _ => "Other" }; if (order is { Status: OrderStatus.Placed, TotalNet: > 1000 }) { /* property pattern */ } // + records, file-scoped namespaces, global usings, raw string literals ("""...""") |
