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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