ruby debugger examples

debug-example1.rb

class Buggy
  # assuming perform_operation and special_options exist...
  def buggy_method(param=nil, options={})
    puts "\n\n\nDEBUG"
    puts "param: #{param}"
    puts "options: #{options}"
    @instance_var = perform_operation(special_options(param, options))
  end
end

debug-example2.rb

class Buggy
  # assuming perform_operation and special_options exist...
  def buggy_method(param=nil, options={})
    require 'ruby-debug'; debugger
    @instance_var = perform_operation(special_options(param, options))
  end
end

debugger-installation.sh

# Using MRI-1.9.2
gem install ruby-debug19

# Using MRI-1.8.7 or Ruby Enterprise Edition
gem install ruby-debug