kernel.rb Ruby on Rails 5.1.2 kernel.rb activesupport/lib/active_support/core_ext/kernel.rb on GitHub Last modified: 2017-07-12 08:38:52 -0700 Required Files active_support/core_ext/kernel/agnostics active_support/core_ext/kernel/concern active_support/core_ext/kernel/reporting active_support/core_ext/kernel/singleton_class