Streem

Transcript

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   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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   Powered by Rabbit 2.1.8 　 まつもとゆきひろ

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   Powered by Rabbit 2.1.8 　 Ruby

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   Powered by Rabbit 2.1.8 　 プログラマ

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   Powered by Rabbit 2.1.8 　 言語デザイナー

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   Powered by Rabbit 2.1.8 　 日経Linuxライター

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   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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   Powered by Rabbit 2.1.8 　 言語デザイン

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   Powered by Rabbit 2.1.8 　 言語実装

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

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

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    Powered by Rabbit 2.1.8 　 Streem

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    Powered by Rabbit 2.1.8 　 教材・例題

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    Powered by Rabbit 2.1.8 　 言語デザイン

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    Powered by Rabbit 2.1.8 　 言語実装

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    Powered by Rabbit 2.1.8 　 どんな言語？

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    Powered by Rabbit 2.1.8 　 ポジション

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

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    Powered by Rabbit 2.1.8 　 まつもと＝Rubyのひと

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

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

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    Powered by Rabbit 2.1.8 　 実験

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    Powered by Rabbit 2.1.8 　 教材

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    Powered by Rabbit 2.1.8 　 特定目的言語

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

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    Powered by Rabbit 2.1.8 　 異なる設計判断

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

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    Powered by Rabbit 2.1.8 　 ２０年の経験の反映

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

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

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    Powered by Rabbit 2.1.8 　 コンカレンシー

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

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

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    Powered by Rabbit 2.1.8 　 ループがない

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    Powered by Rabbit 2.1.8 　 endがない

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    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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    Powered by Rabbit 2.1.8 　 実例

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    Powered by Rabbit 2.1.8 　 Cat

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    Powered by Rabbit 2.1.8 　 stdin | stdout cat pipeline

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    Powered by Rabbit 2.1.8 　 stdin = read I/O

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    Powered by Rabbit 2.1.8 　 stdout = write I/O

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

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

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    Powered by Rabbit 2.1.8 　 task(read I/O) producer epoll(2) read(2)

    queue push
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    Powered by Rabbit 2.1.8 　 task(write I/O) consumer queue pop

    write(2)
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    Powered by Rabbit 2.1.8 　 Hello World

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

    world
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    Powered by Rabbit 2.1.8 　 配列はproducerになる

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    Powered by Rabbit 2.1.8 　 Socket connection

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    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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    Powered by Rabbit 2.1.8 　 tcp_server = tcp_server task

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    Powered by Rabbit 2.1.8 　 each task

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

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    Powered by Rabbit 2.1.8 　 tcp_server task producer accept(2) create

    socket I/O queue push
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    Powered by Rabbit 2.1.8 　 each task filter (consumer) queue

    pop call function
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    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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    Powered by Rabbit 2.1.8 　 FizzBuzz

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    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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    Powered by Rabbit 2.1.8 　 スケジューラー

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    Powered by Rabbit 2.1.8 　 コア数のスレッド

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    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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    Powered by Rabbit 2.1.8 　 FizzBuzz

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    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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    Powered by Rabbit 2.1.8 　 オブジェクト指向

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

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    Powered by Rabbit 2.1.8 　 namespace

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    Powered by Rabbit 2.1.8 　 namespace { ... }

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    Powered by Rabbit 2.1.8 　 new namespace(args)

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    Powered by Rabbit 2.1.8 　 bar(foo)

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    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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    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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    Powered by Rabbit 2.1.8 　 Lisp1.5

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

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    Powered by Rabbit 2.1.8 　 Lisp1

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    Powered by Rabbit 2.1.8 　 ライブラリ

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

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

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    Powered by Rabbit 2.1.8 　 seq/repeat/rand

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    Powered by Rabbit 2.1.8 　 Producers seq(10) rand(10) repeat(v, 10)

    cycle([v1,v2], 10)
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    Powered by Rabbit 2.1.8 　 Producers zip(strm1,strm2) concat(strm1,strm2)

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    Powered by Rabbit 2.1.8 　 map/each

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    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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    Powered by Rabbit 2.1.8 　 map=each+emit

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

    func(x)} }
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    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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    Powered by Rabbit 2.1.8 　 time

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

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

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    Powered by Rabbit 2.1.8 　 csv

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    Powered by Rabbit 2.1.8 　 csv()

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    Powered by Rabbit 2.1.8 　 stat/math/sort

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    Powered by Rabbit 2.1.8 　 sum() average() stdev() variance() correl()

    sample()
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    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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    Powered by Rabbit 2.1.8 　 今後の展開

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    Powered by Rabbit 2.1.8 　 総称関数

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

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    Powered by Rabbit 2.1.8 　 キーワード引数

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    Powered by Rabbit 2.1.8 　 なにができるの？

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    Powered by Rabbit 2.1.8 　 CSV処理

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     Powered by Rabbit 2.1.8 　 統計(っぽい)処理

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

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     Powered by Rabbit 2.1.8 　 データ変換

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

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     Powered by Rabbit 2.1.8 　 Web? Maybe

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     Powered by Rabbit 2.1.8 　 Game? Maybe

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

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     Powered by Rabbit 2.1.8 　 今後も成長

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     Powered by Rabbit 2.1.8 　 楽しい！

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     Powered by Rabbit 2.1.8 　 自作言語の世界

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     Powered by Rabbit 2.1.8 　 Thank you