A cross-version compatible shortcut for invoking a Ruby debugger that always tries to do the right thing™ no matter which platform you're running under.
This gem is a trivial layer built upon the hard work of giants, and I sure wouldn't blame you if you preferred not to use it. See the alternative pattern in my article about cross-version debugging in Ruby.
d2 into your Gemfile:
group :development, :test do gem "d2" end
Make sure you're using
Bundler.require somewhere in your project (Rails does this automatically), or include a
require 'd2' somewhere (like in your
You're ready to go:
def requires_frequent_debugging risky_call rescue nil Singleton.manipulate_global_state d # drop me here! Model.do_business_logic super end