void main()

{

    StaticThingy.register(new SomeAdapter());

    StaticThingy.createSome!Dummy();

}

​

struct FooBundle(Handle)

{

    FooDummy fooDummy;

    Handle handle;

}

​

interface FooAdapter

{

    FooBundle!(Handle) createSome(Handle)();

}

​

class FooDummy

{

}

​

struct StaticThingy

{

    @disable this();

​

static:

    private

    {

        FooAdapter _fooAdapter;

    }

​

    private @safe nothrow @nogc

    {

        @property

        {

            FooAdapter fooAdapter()

            {

                assert(_fooAdapter !is null);

                return _fooAdapter;

            }

        }

    }

​

    public

    {

        FooBundle!(Handle) createSome(Handle)()

        {

            return fooAdapter.createSome!(Handle)();

        }

​

        void register(FooAdapter fooAdapter) @safe nothrow @nogc

        {

            _fooAdapter = fooAdapter;

        }

    }

}

​

class Dummy

{

}

​

alias Bundle = FooBundle!(Dummy);

​

private class SomeAdapter : FooAdapter

{

    Bundle createSome()

    {

        auto w = new Dummy();

        auto c = new FooDummy();

        auto b = Bundle(c, w);

        return b;

    }

}