Re: Why does nobody seem to think that `null` is a serious problem in D?

[Kagamin via Digitalmars-d-learn]

On Wednesday, 21 November 2018 at 11:53:14 UTC, Alex wrote:
Am I misled, or isn't this impossible by design?
´´´
import std.stdio;
import std.random;

class C
{
        size_t dummy;
        final void baz()
        {
                if(this is null)
                {
                        writeln(42);
                }
                else
                {
                        writeln(dummy);
                }
        }
}
void main()
{
        C c;
        c.foo;
}

void foo(ref C c)
{
        if(uniform01 < 0.5)
        {
                c = new C();
                c.dummy = unpredictableSeed;
        }
        c.baz;
}
´´´

A value passed to ref parameter is assumed to be initialized. C# 
would reject to call function foo.