Common Lisp works well for the second case. But it seems that some programmers are uncomfortable with the notion of code generating code. And as you said, it do

Common Lisp works well for the second case. But it seems that some programmers are uncomfortable with the notion of code generating code. And as you said, it does require discipline as you need to focus the language's power. Other languages don't let you solve the boilerplate problem so readily. Instead you have a mess of utility functions or a huge class tree.