unsafe code example

Program.cs

// компілювати цей додаток потрібно з параметром /unsafe !!!
// https://learn.microsoft.com/en-us/dotnet/csharp/language-reference/compiler-options/language
// https://www.dotnetperls.com/unsafe

class UnsafelApp
{
    public static unsafe void GetValues(int* x, int* y)
    {
        *x = 6;
        *y = 42;
    }

    public static unsafe void Main()
    {
        unsafe
        {
            int iData = 10;
            int* pData = &iData;
            Console.WriteLine("Data is " + iData);
            Console.WriteLine("Address is " + (long)pData);
        }


        int a = 1;
        int b = 2;
        Console.WriteLine("Before GetValues(): a = {0}, b = {1}", a, b);

        GetValues(&a, &b);
        Console.WriteLine("After GetValues(): a = {0}, b = {1}", a, b);
    }
}

// іще 16 прикладів коду: https://www.codeproject.com/Articles/1099/Writing-Unsafe-code-using-C