Ruby script to show sub-class exceptions rescued before parent class exceptions

exception-class-test.rb

#!/usr/bin/env ruby

require 'awesome_print'

class Error < StandardError; end
class SpecificError < Error ; end

class Tester
  def self.run
    raise SpecificError
  rescue Error, SpecificError => e
    puts "caught: #{e.class}, #{e}"
  end
end

Tester.run