31 lines
583 B
C#
31 lines
583 B
C#
|
using System.Linq;
|
||
|
|
|
||
|
|
//
|
||
|
|
// This is a lambda test for situation when parent is infering return types and child not
|
||
|
|
//
|
||
|
|
|
||
|
|
public class Product
|
||
|
|
{
|
||
|
|
public int CategoryID;
|
||
|
|
public decimal UnitPrice;
|
||
|
|
}
|
||
|
|
|
||
|
|
class MainClass
|
||
|
|
{
|
||
|
|
public static void Main ()
|
||
|
|
{
|
||
|
|
Product[] products = new[] {
|
||
|
|
new Product { CategoryID = 1, UnitPrice = 1m }
|
||
|
|
};
|
||
|
|
|
||
|
|
var categories = from p in products
|
||
|
|
group p by p.CategoryID into g
|
||
|
|
select new {
|
||
|
|
g,
|
||
|
|
ExpensiveProducts = from p2 in g
|
||
|
|
where (p2.UnitPrice > g.Average (p3 => p3.UnitPrice))
|
||
|
|
select p2
|
||
|
|
};
|
||
|
|
}
|
||
|
|
}
|