A demo of how block returns.

gistfile1.rb

class Tester
  @@blocks = []
  
  def self.add(&block)
    @@blocks << block
  end
  
  def self.run
    @@blocks.each_with_index do |block, n|
      exec(n)
    end
  end
  
  def self.exec(n)
    @@blocks[n].call
  end
end

def test

  Tester.add do
    puts 'block 1'
    return 1
  end

  Tester.add do
    puts 'block 2'
  end

  Tester.run
end

test

tesr