Ruby Debug Cheat Sheet

####References

• Tenderlove
  • https://tenderlovemaking.com/2016/02/05/i-am-a-puts-debuggerer.html?utm_source=rubyweekly&utm_medium=email

####Cheat Codes

• Place a breakpoint somewhere in your code
  • binding.pry
• Print Call Stack
  • caller
• Find the class of an object
  • 1.class # => Fixnum
• See what a class inherits from
  • Fixnum.superclass # => Integer
• Find definition of a method on an object say 1
  • 1.method(:to_s).source_location
• Print all interesting methods on a class
  • (Fixnum.public_instance_methods - Object.public_instance_methods).sort
• Print all interesting methods on an object
  • (my_object.public_methods - Object.public_instance_methods).sort