Imprecations: Because that's what you'll be hurling at the screen
Imprecations recursively deprecates every instance method on a class/module as well as all classes defined inside that class/module.
gem install imprecations
MyClass.imprecate MyClass.my_method #=> DEPRECATION WARNING: MyClass#my_method is deprecated! #=> ...my_method does its thing...
Worried about deprecating too many things? Just do this:
And you're good to go!
Is it tested?
Author/who to blame: Gabe Berke-Williams, 2011