public static void Aggregate()
{
TestSet set = new TestSet();
var filteredSet5 = set.Where(i => i <= 5).Aggregate(1, (acc, s) => acc * s);
Console.WriteLine("Aggregate-- " + filteredSet5);
}
//Тоже самое, что и First, FirstOrDefault, SingleOrDefault
public static void Single()
{
TestSet set = new TestSet();
var filteredSet4 = set.Single(s => s % 57 == 0);
Console.WriteLine("Single--" + filteredSet4);
}
public static void OrderBy()
{
TestSet set = new TestSet();
var filteredSet6 = set.Select(s => new { Number = s, IsEven = s % 2 == 0 }).OrderBy(s => !s.IsEven);
foreach (var i in filteredSet6)
{
Console.WriteLine(i);
}
}
public static void WhereSelect()
{
TestSet set = new TestSet();
var filteredSet3 = set.Where(s => s > 50).Select(s => new { Age = "new age -- " + s.ToString() });
foreach (var i in filteredSet3)
{
Console.WriteLine(i.Age);
}
}
public static void Select()
{
TestSet set = new TestSet();
var filteredSet2 = set.Select(s => new { Age = "age -- " + s.ToString() });
foreach (var i in filteredSet2)
{
Console.WriteLine(i.Age);
}
}
public static void Where()
{
TestSet set = new TestSet();
var filteredSet = set.Where(s => s > 50);
foreach (int i in filteredSet)
{
Console.WriteLine(i);
}
}
static void Main(string[] args)
{
TestSet set = new TestSet();
var filteredSet = set.Where(s => s % 2 == 0);
foreach (int i in filteredSet)
{
Console.WriteLine(i);
}
Console.ReadKey();
}
public static void Hard()
{
TestSet set = new TestSet();
var filteredSet7 = set.Where(s => s % 2 == 0)
.Select(s => "*" + s.ToString() + "s")
.Where(s => s.Length == 4);
foreach (string i in filteredSet7)
{
Console.WriteLine(i);
}
}
