...the outer class instance using the `outer` property:
https://dlang.org/spec/class.html#outer...

This isn't fully playing to its strengths either, there's no need to cast...

Thanks for the invitation. However, I don't like Discord so I don't use...

Yes that is to be expected.

Also we have a Discord server which you are...

And since classes can be declared locally inside methods, you can also do something similar...

...return type 'Program.Outer.Inner'
        // is less accessible than method 'Program.Outer.getInner()'
        public static...

...return type 'Program.Outer.Inner'
        // is less accessible than method 'Program.Outer.getInner()'
        public static...

The outer loop does nothing, perhaps C# optimizes it away.

...string format, scope string[] args)
{
    string result;
    outer: while (format.length)
    {
        foreach (i; 0 .. format...

...DBG(&i);
      }
  }

  int* delegate() outer;

  void DBG(lazy scope int* args)
  {
      outer = &args;
  }

  void main...