mcs/tests/gtest-lambda-22.cs

   1 using System.Linq;
   2
   3 //
   4 // This is a lambda test for situation when parent is infering return types and child not
   5 //
   6
   7 public class Product
   8 {
   9         public int CategoryID;
  10         public decimal UnitPrice;
  11 }
  12
  13 class MainClass
  14 {
  15         public static void Main ()
  16         {
  17                 Product[] products = new[] {
  18                         new Product { CategoryID = 1, UnitPrice = 1m }
  19                 };
  20
  21                 var categories = from p in products
  22                                                  group p by p.CategoryID into g
  23                                                  select new {
  24                                                          g,
  25                                                          ExpensiveProducts = from p2 in g
  26                                                                                                  where (p2.UnitPrice > g.Average (p3 => p3.UnitPrice))
  27                                                                                                  select p2
  28                                                  };
  29         }
  30 }