module nestedclass;

private import std.stdio;

class Foo
{
    class Bar
    {
        void delegate() getDelegate()
        {
            return &sayHello;
        }
    }
    Bar bar;

    void sayHello()
    {
        writefln("Hello");
    }

    this()
    {
        bar = new Bar();
    }
}

int main(char[][] argv)
{
    Foo foo = new Foo();
    void delegate() sayHello = foo.bar.getDelegate();
    sayHello();

    return 0;
}