//c# 2
public static void QueryVersionTwo()
{
List <ProductVersionTwo> products = ProductVersionTwo.GetSomeProduct();
Predicate <ProductVersionTwo> test = delegate(ProductVersionTwo p) { return(p.Price > 10m); };
List <ProductVersionTwo> matches = products.FindAll(test);
Action <ProductVersionTwo> print = Console.WriteLine;
matches.ForEach(print);
}
public static void TestClassFeatures()
{
ArrayList product1 = ProductVersionOne.GetSomeProduct();
product1.Sort(new ProductComparerVersionOne());
foreach (var t in product1)
{
Console.WriteLine(t);
}
//generic no boxing
List <ProductVersionTwo> product2 = ProductVersionTwo.GetSomeProduct();
//product2.Sort(new ProductComparerVersionTwo());
product2.Sort(delegate(ProductVersionTwo x, ProductVersionTwo y) { return(x.Name.CompareTo(y.Name)); });
foreach (var item in product2)
{
Console.WriteLine(item);
}
var product3 = ProductVersionThree.GetSomeProduct();
//delegate version1
product3.Sort(delegate(ProductVersionThree x, ProductVersionThree y)
{
return(x.Name.CompareTo(y.Name));
});
product3.Sort((x, y) => x.Name.CompareTo(y.Name));
foreach (var p in product3)
{
Console.WriteLine(p);
}
var product4 = ProductVersionFour.GetSomeProduct();
foreach (var p in product4.OrderBy(p => p.Name))
{
Console.WriteLine(p);
}
foreach (var p in product4)
{
Console.WriteLine(p);
}
}