static void Main(string[] args)
{
#region Old way using delagate
// Old way of creating anonymuou methods
//var example = new Example();
//PrintString fnc = example.PrintStringInConsole;
//fnc += example.PrintStringPlusOne;
//for(int i = 0; i < 100; i++)
//{
// fnc(i.ToString());
//}
#endregion
#region Action
Action welcomeMsg = () => Console.WriteLine("Welcome");
// welcomeMsg();
Action <string> hello = (str) => Console.WriteLine("Hello " + str);
//hello("Trajan");
Action <string, ConsoleColor> printMsgWithColor = (msg, color) =>
{
Console.ForegroundColor = color;
Console.WriteLine(msg);
Console.ResetColor();
};
//printMsgWithColor("Hello SEDC", ConsoleColor.Green);
Action <string, int, string, double, string, int, ConsoleColor> callWith7Params =
(str, num, str1, dnum, str2, num1, color) =>
{
Console.ForegroundColor = color;
Console.WriteLine(str + num.ToString() + str1 + dnum.ToString() + str2 + num1);
Console.ResetColor();
};
//callWith7Params("str", 1, "str2", 2.2, "str3", 2, ConsoleColor.DarkMagenta);
#endregion
#region Func
Func <string> func = () => "Func has a return type of type string";
string res = func();
//Console.WriteLine(res);
Func <int, int, int> sumInts = (num, num1) => num + num1;
int result = sumInts(3, 4);
//Console.WriteLine(result);
List <int> listOfNums = new List <int> {
1, 2, 3, 4, 5
};
Func <bool> isListEmpty = () => listOfNums.Count == 0;
//Console.WriteLine(isListEmpty());
Func <int, int, bool> checkLarger = (num, num1) =>
{
if (num > num1)
{
return(true);
}
return(false);
};
//Console.WriteLine(checkLarger(10,2));
//Console.WriteLine(checkLarger(2,10));
Func <int, string, double, string, long, short, string> funcWith6Params =
(num, str, dnum, str2, lnum, snum) =>
{
var result = num + dnum + lnum + snum;
return(str + str2 + " Result: " + result);
};
var res1 = funcWith6Params(1, "func", 2.2, " is awesome", 123123, 132);
//Console.WriteLine(res1);
#endregion
#region Like a delagate
Action <string> fnc1 = str =>
{
string reversed = string.Join("", str.Reverse());
Console.WriteLine(str.ToLower() == reversed.ToLower() ? "Is palindrom" : "Not a palindrome");
};
Action <string> fnc2 = str =>
{
Console.WriteLine($"Has: {str.Split(" ").Length} words");
};
Action <string> fnc3 = str =>
{
string reversed = string.Join("", str.Reverse());
Console.WriteLine(reversed);
};
fnc1 += fnc2;
fnc1 += fnc3;
//fnc1("Ana e radar");
//fnc1("Madam");
#endregion
List <int> ints = new List <int> {
1, 2, 3, 4, 5, 6, 7, 8, 9, 0
};
var evenNumbers = ints.Where(x => x % 2 == 0).ToList();
Func <int, bool> getOddNumbers = num => num % 2 != 0;
var oddNumbers = ints.Where(getOddNumbers).ToList();
Func <int, Num> convertToNum = num => new Num {
Number = num
};
var nums = ints.Select(convertToNum).ToList();
//foreach (var item in nums)
//{
// Console.WriteLine(item.GetType());
// Console.WriteLine(item.Number);
//}
var ex1 = new Example();
Func <int, int, int> sum = (num, num1) => num + num1;
var nums1 = ex1.AddNToElementInList(ints, sum);
var nums2 = ex1.AddNToElementInList(ints, (x, y) => y - x);
//for (int i = 0; i < nums1.Count; i++)
//{
// Console.WriteLine(nums1[i] + " Sum");
// Console.WriteLine(nums2[i] + " Devide");
//}
Console.ReadLine();
}
