exploring ruby's nuances

block.rb

module Thing
  module_function

  def thing(&block)
    (1..3).map(&block)
  end

  def other_thing
    thing do |v|
      next(:surprise) if v == 2
      v
    end
  end

  def other_other_thing
    thing do |v|
      return(:surprise) if v == 3
      v
    end
  end
end

puts(Thing.other_thing.inspect) # output: [1, :surprise, 3]
puts(Thing.other_other_thing.inspect) # output: :surprise