log_method_call

gistfile1.rb

 def self.log_method_call(method_name)
    original_method = instance_method(method_name)
    define_method(method_name) do |*args, &block|
      puts caller[3..5]
      puts "-> #{self.inspect}##{method_name}(#{args.inspect})"
      return_value = original_method.bind(self).call(*args, &block)
      puts "<- #{self.inspect}##{method_name} #=> #{return_value.inspect}"
      return_value
    end
  end