unsafe static void Main()
{
// Wrap the methods inside delegate instances and pass to the method.
UppercaseDelegate uppercaseFirst = new UppercaseDelegate(uppercaseFirst = a => a.Replace(a[0], (char)(a[0] - 0x20)));
Console.WriteLine(" With delegate \" UppercaseFirst \"");
WriteOutput("perls", uppercaseFirst);
//UppercaseDelegate uppercaseLast = new UppercaseDelegate(uppercaseLast = a => a.Replace(a[a.Length - 1], (char)(a[a.Length - 1] & 0xDF)));
//https://docs.microsoft.com/en-us/dotnet/csharp/programming-guide/strings/how-to-modify-string-contents
UppercaseDelegate uppercaseLast = new UppercaseDelegate(uppercaseLast = a => { fixed (char* p = a) { p[a.Length - 1] &= (char)0xDF; } return a; });
Console.WriteLine(" nWith delegate \" UppercaseLast \"");
WriteOutput("perls", uppercaseLast);
UppercaseDelegate uppercase = new UppercaseDelegate(uppercase = a => a.ToUpper());
Console.WriteLine(" nWith an anonymous method which put all characters uppercase ");
WriteOutput("perls", new UppercaseDelegate(uppercase));
Stopwatch stopWatch1 = new Stopwatch();
stopWatch1.Start();
for (int i = 0; i < 1000000; i++)
{
uppercaseLast.Invoke("perls");
}
stopWatch1.Stop();
Console.WriteLine(" UppercaseLast {0} [ms]", stopWatch1.ElapsedMilliseconds);
}
//static void WriteOutput(string input, UppercaseDelegate del)
//{
// Console.WriteLine("Your string before: {0}", input);
// Console.WriteLine("Your string after: {0}", del(input));
//}
static void Main(string[] args)
{
string input = "adnsu";
UppercaseDelegate del = new UppercaseDelegate(UppercaseFirst);
string result = del(input);
Console.WriteLine(result);
del = new UppercaseDelegate(UppercaseLast);
result = del(input);
Console.WriteLine(result);
del = new UppercaseDelegate(UppercaseAll);
result = del(input);
Console.WriteLine(result);
//WriteOutput("perls", new UppercaseDelegate(UppercaseFirst));
//WriteOutput("perls", new UppercaseDelegate(UppercaseLast));
//WriteOutput("perls", new UppercaseDelegate(UppercaseAll));
}
static void WriteOutput(string input, UppercaseDelegate del)
{
Console.WriteLine("Your string before: {0}", input);
Console.WriteLine("Your string after: {0}", del(input));
}
static void WriteOutput(string input, UppercaseDelegate upper)
{
Console.WriteLine(" Your string before : {0}", input);
Console.WriteLine(" Your string after : {0}", upper.Invoke(input));
}
//delegate1
public static void AllCases(string input, UppercaseDelegate del)
{
Console.WriteLine("Before: {0}", input);
Console.WriteLine("After: {0}", del(input));
}
public void WriteOutput(string input, UppercaseDelegate dele)
{
Console.WriteLine($"{input} - {dele(input)}");
}
static void WriteOutput(string input, UppercaseDelegate del)
{
Console.WriteLine("Input String: {0}", input);
Console.WriteLine("Output String: {0}", del(input));
}
static void WriteOutput(string input, UppercaseDelegate del)
{
Console.WriteLine("Your string before: {0}", input);
Console.WriteLine("Your string after: {0}", del(input));
}
private static void WriteOutput(string input, UppercaseDelegate del)
{
Console.WriteLine($"Your string before: {input}");
Console.WriteLine($"Your string after: {del(input)}");
}
