Javascript in Ruby

gistfile1.rb

lamb = -> do
  a = 2
  b = 0
  puts "lamb #{b}"
  lamb = -> do
    puts a
    b += 1
    puts "lamb #{b}"
    lamb = -> do
      puts a
      b += 1
      puts "lamb #{b}"
    end.call
  end.call
end.call

# ------------
# lamb 0
# 2
# lamb 1
# 2
# lamb 2