dynamic classes and duck typing

[Walter Bright]

bearophile wrote:
> I see, you want a Swiss army knife language :o)
> 
> Before choosing a design I suggest to look at how both Java and C#4 have done it, few random links about C#4:
> http://msdn.microsoft.com/en-us/library/dd264736%28VS.100%29.aspx
> http://blogs.msdn.com/cburrows/archive/2008/10/27/c-dynamic.aspx
> http://geekswithblogs.net/sdorman/archive/2008/11/16/c-4.0-dynamic-programming.aspx

I think the D approach is superior, because it offers many more ways of 
doing things (it's implemented nearly completely as a library feature). 
C# was forced to do it with a magic type because it doesn't support 
templates.