fukuiretu · February 29, 2016 08:58 · fukuiretu · Feb 29, 2016
diff --git a/thread_safe_exmple.rb b/thread_safe_exmple.rb
 require 'parallel'

 class Dummy
  def initialize
    @cnt = 0
  end

  def increment
    @cnt += 1
  end

  def test
    arr = (1..10000000).to_a
    Parallel.each(arr, in_threads: 10) do
      increment
    end

    p @cnt # 10000000
  end
 end

 Dummy.new.test
	require 'parallel'

	class Dummy
	def initialize
	@cnt = 0
	end

	def increment
	@cnt += 1
	end

	def test
	arr = (1..10000000).to_a
	Parallel.each(arr, in_threads: 10) do
	increment
	end

	p @cnt # 10000000
	end
	end

	Dummy.new.test