README.md in the_help-1.5.2 vs README.md in the_help-1.6.1

@@ -38,32 +38,30 @@
   authorization_policy allow_all: true
 
   main do
     call_service(GetSomeWidgets,
                  customer_id: 12345,
-                 each_widget: method(:process_widget),
-                 invalid_customer: method(:no_customer),
-                 no_widgets_found: method(:no_widgets))
+                 each_widget: callback(:process_widget),
+                 invalid_customer: callback(:no_customer),
+                 no_widgets_found: callback(:no_widgets))
     do_something_else
   end
 
-  private
-
-  def process_widget(widget)
+  callback(:process_widget) do |widget|
     # do something with it
   end
 
-  def invalid_customer
+  callback(:invalid_customer) do
     # handle this case
     stop!
   end
 
-  def no_widgets
+  callback(:no_widgets) do
     # handle this case
   end
 
-  def do_something_else
+  callback(:do_something_else) do
     # ...
   end
 end
 ```
 
@@ -139,23 +137,35 @@
 throw a symbol other than `:stop`; but do so with caution, since it may have
 unintended consequences further down the stack.)
 
 ## Development
 
-After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake spec` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment.
+After checking out the repo, run `bin/setup` to install dependencies. Then, run
+`rake spec` to run the tests. You can also run `bin/console` for an interactive
+prompt that will allow you to experiment.
 
-To install this gem onto your local machine, run `bundle exec rake install`. To release a new version, update the version number in `version.rb`, and then run `bundle exec rake release`, which will create a git tag for the version, push git commits and tags, and push the `.gem` file to [rubygems.org](https://rubygems.org).
+To install this gem onto your local machine, run `bundle exec rake install`. To
+release a new version, update the version number in `version.rb`, and then run
+`bundle exec rake release`, which will create a git tag for the version, push
+git commits and tags, and push the `.gem` file to
+[rubygems.org](https://rubygems.org).
 
 ## Contributing
 
-Bug reports and pull requests are welcome on GitHub at https://github.com/jwilger/the_help. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the [Contributor Covenant](http://contributor-covenant.org) code of conduct.
+Bug reports and pull requests are welcome on GitHub at
+https://github.com/jwilger/the_help. This project is intended to be a safe,
+welcoming space for collaboration, and contributors are expected to adhere to
+the [Contributor Covenant](http://contributor-covenant.org) code of conduct.
 
 ## License
 
-The gem is available as open source under the terms of the [MIT License](https://opensource.org/licenses/MIT).
+The gem is available as open source under the terms of the [MIT
+License](https://opensource.org/licenses/MIT).
 
 ## Code of Conduct
 
-Everyone interacting in the TheHelp project’s codebases, issue trackers, chat rooms and mailing lists is expected to follow the [code of conduct](https://github.com/jwilger/the_help/blob/master/CODE_OF_CONDUCT.md).
+Everyone interacting in the TheHelp project’s codebases, issue trackers, chat
+rooms and mailing lists is expected to follow the [code of
+conduct](https://github.com/jwilger/the_help/blob/master/CODE_OF_CONDUCT.md).
 
 [SRP]: https://en.wikipedia.org/wiki/Single_responsibility_principle
 [TDA]: https://martinfowler.com/bliki/TellDontAsk.html