public Linqs()
{
var demoList = DemoData.GetList(10);
#region FirstOrDefault + Where
// Hint: Single element vs List
var firstMatchedElement = demoList.FirstOrDefault(element => element.MyInt > 10);
var allMatchedElements = demoList.Where(element => element.MyInt > 10);
//var onlyFirstMatchedElement = demoList.First(element => element.MyInt < 2);
#endregion
#region All + Any
var allElementsBigger400 = demoList.All(element => element.MyInt > 400);
var anyElementBigger400 = demoList.Any(element => element.MyInt > 400);
#endregion
#region Min + Max
var minValue = demoList.Min(element => element.MyInt);
var maxValue = demoList.Max(element => element.MyInt);
#endregion
#region Ordering
// Hint: OrderedList-Type
var demoListOrderedAsc = demoList.OrderBy(element => element.MyInt);
var demoListOrderedDesc = demoList.OrderByDescending(element => element.MyInt);
#endregion
#region Paging incl. Chaining
var skipped = demoList.Skip(10);
var taken = demoList.Take(10);
// Chained: skipped and taken
var skippedAndTaken = demoList.Skip(10).Take(10);
#endregion
#region Conversion with select
var convertedList = demoList.Select(element => new { CustomInt = element.MyInt });
#endregion
#region Others
//demoList.Distinct() // IEqualityComparer
#endregion
#region Grouping
var groupedItems = demoList.GroupBy(element => element.MyBool);
//var groupedItmes2 = demoList.GroupBy(element => element.MyBool).Select(group => new { Key = group.Key, Amount = group.Count() });
#endregion
}
public BasicLoops()
{
#region debug
ConsoleHelper.DrawSection();
#endregion
#region string-demo
//var s = "";
//s += demoList[i].MyString;
#endregion
var demoList = DemoData.GetList(3);
for (int i = 0; i < demoList.Count; i++)
{
//Console.WriteLine(demoList[i].MyString);
//demoList.Remove(demoList[i]);
}
#region debug
ConsoleHelper.DrawSection();
#endregion
foreach (var demoListItem in demoList)
{
//Console.WriteLine(demoListItem.MyString);
//demoList.Remove(demoListItem);
}
#region debug
ConsoleHelper.DrawSection();
#endregion
var counter = 0;
while (counter < demoList.Count)
{
//Console.WriteLine(demoList[counter].MyString);
counter++;
}
#region debug
ConsoleHelper.DrawSection();
#endregion
}