paneq

def Maybe(obj)
	Maybe.new(obj)
end

class Nothing
	include Singleton
end

class Maybe
	attr_reader :value

paneq

>> sudo dpkg -i libmagic1_5.11-1_amd64.deb libmagic-dev_5.11-1_amd64.deb file_5.11-1_amd64.deb 
[sudo] password for rupert: 
(Odczytywanie bazy danych ... 291117 files and directories currently installed.)
Przygotowanie do zastąpienia libmagic1 5.04-5ubuntu2 (wykorzystując libmagic1_5.11-1_amd64.deb) ...
Rozpakowanie pakietu zastępującego libmagic1 ...
Przygotowanie do zastąpienia libmagic-dev 5.04-5ubuntu2 (wykorzystując libmagic-dev_5.11-1_amd64.deb) ...
Rozpakowanie pakietu zastępującego libmagic-dev ...
Przygotowanie do zastąpienia file 5.04-5ubuntu2 (wykorzystując file_5.11-1_amd64.deb) ...
Rozpakowanie pakietu zastępującego file ...
Konfigurowanie libmagic1 (5.11-1) ...

paneq

module EventMachine
  TestTimeoutExceededError = Class.new(RuntimeError)

  module TestHelper

    def self.included(cls)
      cls.class_eval(<<-HERE_DOC, __FILE__, __LINE__)
        DefaultTimeout = nil unless const_defined?(:DefaultTimeout)

        def self.default_timeout(timeout)

paneq

>> ncat 127.0.0.1 3456
auth
a3863a5aa8afe5eaf1ccfa6738172305
message from a3863a5aa8afe5eaf1ccfa6738172305

paneq

class TestUser
  def is_ok?
    true
  end

  def receive_message
    yield("message", self)
  end

  def &(other)

paneq

jobs = []
jobs << Fiber.new{ 2.times{|i| puts "working on part #{i}"; Fiber.yield(i) }; :finished }
jobs << Fiber.new{ 4.times{|i| puts "doing part #{i}"; Fiber.yield(i) }; :finished }
jobs << Fiber.new{ 3.times{|i| puts "making part #{i}"; Fiber.yield(i) }; :finished }

until jobs.empty?
  job = jobs.shift
  result = job.resume
  jobs << job if result != :finished
end

paneq

results = []
f1 = Fiber.new do 
  i = 1
  loop do 
    i+= 1
    if Prime.prime?(i)
      results << i
      Fiber.yield(i)
    end
  end

paneq

> require 'prime'
> f1 = Fiber.new{ i = 1; loop{ i+= 1; Fiber.yield(i) if Prime.prime?(i) } }
> f2 = Fiber.new{ i = 1; loop{ i+= 1; Fiber.yield(i**2)  } }
> 4.times do
>   puts f1.resume + f2.resume
> end
6
12
21
32

paneq

ruby-1.9.2-p180-fastrequire :057 > f1 = Fiber.new{ i = 1; loop{ i+= 1; Fiber.yield(i) if Prime.prime?(i) } }
 => #<Fiber:0x0000000234a150> 
ruby-1.9.2-p180-fastrequire :058 > f2 = Fiber.new{ i = 1; loop{ i+= 1; Fiber.yield(i**2)  } }
 => #<Fiber:0x00000002329c48> 
ruby-1.9.2-p180-fastrequire :060 >   4.times do
ruby-1.9.2-p180-fastrequire :061 >     puts f1.resume + f2.resume
ruby-1.9.2-p180-fastrequire :062?>   end
6
12
21

paneq

> f1 = Fiber.new{ loop{ Fiber.yield rand() } }
> f2 = Fiber.new{ ary = [true, false]; loop{ Fiber.yield(ary.sample)  } }
> f1.resume
 => 0.39994797202857346 
> f2.resume
 => false 
> f2.resume
 => false
> f1.resume
 => 0.9078216956199455