Mixin macros in D are just about as powerful, and D is not a dialect of lisp. The main difference is: mixins are compile-time only, you can't add them to a run

Mixin macros in D are just about as powerful, and D is not a dialect of lisp. The main difference is: mixins are compile-time only, you can't add them to a running system like in Lisp. In practice, it is a much smaller difference than it looks like.