toushimi

class Semaphore
 @resource=1
 def GetResource
  while true do
   unless @resource==0
    @resource-=1
    break
   end
   sleep 1
  end

toushimi

class Prime
  include Enumerable
  def initialize(num = 100)
    ary = (3..num).to_a
    @prime = [2]
    ary.each do |item|
      tmp = 0
      flag = true
      @prime.each do |pr|

toushimi

### Keybase proof

I hereby claim:

  * I am toushimi on github.
  * I am toushimi (https://keybase.io/toushimi) on keybase.
  * I have a public key ASCKEJ3RIO1imVxhqKmvHOl3CrYHOlHYe5juqm3FRrgNygo

To claim this, I am signing this object: