素数かつフィボナッチ数を出力するプログラム

report.rb

require "rubygems"
require "Monitor"
require "./fib.rb"
require "./prime.rb"

l = Monitor.new
h = {}

threadF = Thread.new do
  Fib.calc { |f|
    if h[f] == "p" then
      puts f
    end
    l.synchronize do
      h[f] = "f"
    end
  }
end

threadP = Thread.new do
  Prime.calc { |p|
    if h[p] == "f" then
      puts p
    end
    l.synchronize do
      h[p] = "p"
    end
  }
end

threadF.join
threadP.join