Intercepts All Method Calls to a Ruby Object

It decorates an existing Ruby object and intercepts all calls to all its methods:

require 'intercepted'
i = intercepted(42) do |o, name, *args, &block|
  r = o.__send__(name, *args, &block)
  puts "#{name}(#{args.join(', ')}) -> #{r}"
  r
end
puts i + 4

Prints:

That's it.

How to contribute

Read these guidelines. Make sure your build is green before you contribute your pull request. You will need to have Ruby 3.0+ and Bundler installed. Then run:

bundle update
bundle exec rake

If it's clean and you don't see any error messages, submit your pull request.