Streem

東京Ruby会議11 招待講演

Transcript

1. Powered by Rabbit 2.1.8
   Streem
   日経Linuxライター
   @yukihiro_matz
   まつもと ゆきひろ
   Yukihiro "Matz" Matsumoto
   

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2. Powered by Rabbit 2.1.8
   　
   まつもとゆきひろ
   

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3. Powered by Rabbit 2.1.8
   　
   Ruby
   

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4. Powered by Rabbit 2.1.8
   　
   プログラマ
   

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5. Powered by Rabbit 2.1.8
   　
   言語デザイナー
   

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6. Powered by Rabbit 2.1.8
   　
   日経Linuxライター
   

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7. Powered by Rabbit 2.1.8
   　
   作りながら学ぶプログラミング言語
   

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8. Powered by Rabbit 2.1.8
   　
   言語デザイン
   

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9. Powered by Rabbit 2.1.8
   　
   言語実装
   

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10. Powered by Rabbit 2.1.8
    　
    プロ(？)デザイナーの技
    

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11. Powered by Rabbit 2.1.8
    　
    書ける人が他にいない
    

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12. Powered by Rabbit 2.1.8
    　
    Streem
    

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13. Powered by Rabbit 2.1.8
    　
    教材・例題
    

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14. Powered by Rabbit 2.1.8
    　
    言語デザイン
    

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15. Powered by Rabbit 2.1.8
    　
    言語実装
    

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16. Powered by Rabbit 2.1.8
    　
    どんな言語？
    

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17. Powered by Rabbit 2.1.8
    　
    ポジション
    

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18. Powered by Rabbit 2.1.8
    　
    汎用言語を目指さない
    

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19. Powered by Rabbit 2.1.8
    　
    まつもと＝Rubyのひと
    

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20. Powered by Rabbit 2.1.8
    　
    「まつもとがRubyをあきらめた」
    

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21. Powered by Rabbit 2.1.8
    　
    Rubyの発展の邪魔になりたくない
    

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22. Powered by Rabbit 2.1.8
    　
    実験
    

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23. Powered by Rabbit 2.1.8
    　
    教材
    

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24. Powered by Rabbit 2.1.8
    　
    特定目的言語
    

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25. Powered by Rabbit 2.1.8
    　
    可能であればRubyと変える
    

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26. Powered by Rabbit 2.1.8
    　
    異なる設計判断
    

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27. Powered by Rabbit 2.1.8
    　
    妥協できない点の明確化
    

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28. Powered by Rabbit 2.1.8
    　
    ２０年の経験の反映
    

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29. Powered by Rabbit 2.1.8
    　
    関数型(的)プログラミング
    

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30. Powered by Rabbit 2.1.8
    　
    イミュータブルデータ
    

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31. Powered by Rabbit 2.1.8
    　
    コンカレンシー
    

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32. Powered by Rabbit 2.1.8
    　
    プログラミングモデル
    

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33. Powered by Rabbit 2.1.8
    　
    ストリーミングプログラミング
    

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34. Powered by Rabbit 2.1.8
    　
    ループがない
    

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35. Powered by Rabbit 2.1.8
    　
    endがない
    

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36. Powered by Rabbit 2.1.8
    　
    ピタゴラスイッチ・プログラミング
    Rube Goldberg Programming
    

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37. Powered by Rabbit 2.1.8
    　
    実例
    

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38. Powered by Rabbit 2.1.8
    　
    Cat
    

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39. Powered by Rabbit 2.1.8
    　
    stdin | stdout
    cat pipeline
    

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40. Powered by Rabbit 2.1.8
    　
    stdin = read I/O
    

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41. Powered by Rabbit 2.1.8
    　
    stdout = write I/O
    

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42. Powered by Rabbit 2.1.8
    　
    read I/O | write I/O
    

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43. Powered by Rabbit 2.1.8
    　
    task(read I/O) | task(write I/O)
    

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44. Powered by Rabbit 2.1.8
    　
    task(read I/O)
    producer
    epoll(2)
    read(2)
    queue push
    

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45. Powered by Rabbit 2.1.8
    　
    task(write I/O)
    consumer
    queue pop
    write(2)
    

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46. Powered by Rabbit 2.1.8
    　
    Hello World
    

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47. Powered by Rabbit 2.1.8
    　
    ["Hello World"] | stdout
    hello world
    

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48. Powered by Rabbit 2.1.8
    　
    配列はproducerになる
    

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49. Powered by Rabbit 2.1.8
    　
    Socket connection
    

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50. Powered by Rabbit 2.1.8
    　
    # simple echo server on port 8007
    tcp_server(8007) | each{|sock|
    sock | sock
    }
    simple echo server
    

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51. Powered by Rabbit 2.1.8
    　
    tcp_server = tcp_server task
    

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52. Powered by Rabbit 2.1.8
    　
    each task
    

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53. Powered by Rabbit 2.1.8
    　
    sock I/O | sock I/O
    

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54. Powered by Rabbit 2.1.8
    　
    tcp_server task
    producer
    accept(2)
    create socket I/O
    queue push
    

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55. Powered by Rabbit 2.1.8
    　
    each task
    filter (consumer)
    queue pop
    call function
    

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56. Powered by Rabbit 2.1.8
    　
    # simple netcat on port 8007
    sock = tcp_socket("localhost", 8007)
    stdin | sock
    sock | stdout
    simple netcat client
    

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57. Powered by Rabbit 2.1.8
    　
    FizzBuzz
    

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58. Powered by Rabbit 2.1.8
    　
    # seq(100) returns a stream of numbers from 1 to 100.
    # stdout is an output destination.
    seq(100) | map{|x|
    if (x % 15 == 0) "FizzBuzz"
    else if (x % 3 == 0) "Fizz"
    else if (x % 5 == 0) "Buzz"
    else x
    } | stdout
    

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59. Powered by Rabbit 2.1.8
    　
    スケジューラー
    

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60. Powered by Rabbit 2.1.8
    　
    コア数のスレッド
    

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61. Powered by Rabbit 2.1.8
    　
    スレッドループ
    ループ
    タスクキューから取り出し
    実行
    全ストリーム終了まで
    

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62. Powered by Rabbit 2.1.8
    　
    FizzBuzz
    

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63. Powered by Rabbit 2.1.8
    　
    # simple netcat on port 8007
    sock = tcp_socket("localhost", 8007)
    stdin | sock
    sock | stdout
    simple netcat client
    

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64. Powered by Rabbit 2.1.8
    　
    オブジェクト指向
    

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65. Powered by Rabbit 2.1.8
    　
    foo.bar => bar(foo)
    

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66. Powered by Rabbit 2.1.8
    　
    namespace
    

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67. Powered by Rabbit 2.1.8
    　
    namespace { ... }
    

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68. Powered by Rabbit 2.1.8
    　
    new namespace(args)
    

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69. Powered by Rabbit 2.1.8
    　
    bar(foo)
    

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70. Powered by Rabbit 2.1.8
    　
    bar(foo)
    fooのnamespaceにbarがあれば
    なければ変数barを実行
    

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71. Powered by Rabbit 2.1.8
    　
    bar(foo)
    barが無名関数なら実行
    barがC関数なら実行
    barが配列ならx(0)で先頭要素
    

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72. Powered by Rabbit 2.1.8
    　
    Lisp1.5
    

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73. Powered by Rabbit 2.1.8
    　
    総称関数を導入したい
    

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74. Powered by Rabbit 2.1.8
    　
    Lisp1
    

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75. Powered by Rabbit 2.1.8
    　
    ライブラリ
    

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76. Powered by Rabbit 2.1.8
    　
    少しずつ充実させてる
    

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77. Powered by Rabbit 2.1.8
    　
    seq/repeat/rand
    map/each
    time
    csv
    stat/math/sort
    

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78. Powered by Rabbit 2.1.8
    　
    seq/repeat/rand
    

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79. Powered by Rabbit 2.1.8
    　
    Producers
    seq(10)
    rand(10)
    repeat(v, 10)
    cycle([v1,v2], 10)
    

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80. Powered by Rabbit 2.1.8
    　
    Producers
    zip(strm1,strm2)
    concat(strm1,strm2)
    

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81. Powered by Rabbit 2.1.8
    　
    map/each
    

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82. Powered by Rabbit 2.1.8
    　
    Filters
    map{|x| x*2}
    flatmap{|x| x*2}
    filter{|x| x%2 == 0}
    each{|x| print(x)}
    

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83. Powered by Rabbit 2.1.8
    　
    map=each+emit
    

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84. Powered by Rabbit 2.1.8
    　
    def map(func) {
    each{|x| emit func(x)}
    }
    

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85. Powered by Rabbit 2.1.8
    　
    Filters
    reduce{|x,y| x*y}
    reduce_by_key{|x,y| x*y}
    count
    min/max
    

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86. Powered by Rabbit 2.1.8
    　
    time
    

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87. Powered by Rabbit 2.1.8
    　
    now()
    time("2016-05-28T10:30
    +0830")
    time(2016,5,28,10,30)
    

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88. Powered by Rabbit 2.1.8
    　
    任意のタイムゾーンで生成・表示
    

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89. Powered by Rabbit 2.1.8
    　
    csv
    

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90. Powered by Rabbit 2.1.8
    　
    csv()
    

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91. Powered by Rabbit 2.1.8
    　
    stat/math/sort
    

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92. Powered by Rabbit 2.1.8
    　
    sum()
    average()
    stdev()
    variance()
    correl()
    sample()
    

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93. Powered by Rabbit 2.1.8
    　
    sort
    sort{|x,y| x.cmp(y)}
    sort_by{|x| x(2)}
    median
    median{|x| x(2)}
    

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94. Powered by Rabbit 2.1.8
    　
    今後の展開
    

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95. Powered by Rabbit 2.1.8
    　
    総称関数
    

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96. Powered by Rabbit 2.1.8
    　
    パターンマッチング
    

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97. Powered by Rabbit 2.1.8
    　
    キーワード引数
    

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98. Powered by Rabbit 2.1.8
    　
    なにができるの？
    

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99. Powered by Rabbit 2.1.8
    　
    CSV処理
    

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100. Powered by Rabbit 2.1.8
     　
     統計(っぽい)処理
     

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101. Powered by Rabbit 2.1.8
     　
     シェルスクリプト(っぽい)処理
     

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102. Powered by Rabbit 2.1.8
     　
     データ変換
     

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103. Powered by Rabbit 2.1.8
     　
     おもちゃレベルのEmbulk
     

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104. Powered by Rabbit 2.1.8
     　
     Web? Maybe
     

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105. Powered by Rabbit 2.1.8
     　
     Game? Maybe
     

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106. Powered by Rabbit 2.1.8
     　
     ワークフローエンジン？
     

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107. Powered by Rabbit 2.1.8
     　
     今後も成長
     

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108. Powered by Rabbit 2.1.8
     　
     楽しい！
     

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109. Powered by Rabbit 2.1.8
     　
     自作言語の世界
     

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110. Powered by Rabbit 2.1.8
     　
     Thank you
     

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