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author Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
date Mon, 15 Apr 2019 17:59:44 +0900
parents 19155754a586
children 41f44d102cf9
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19155754a586 create OSC2019 slide template
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
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1 title: Perl6の内部表現
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2 author: Takahiro Shimizu
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anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
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3 profile:
19155754a586 create OSC2019 slide template
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
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4 lang: Japanese
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6 ## このセッションの内容
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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8 - Perl6の主要な実装であるRakudoの内部構造を探ります
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9 - Rakudoの内部で利用されているVMや， Perl6のサブセットなどについて探索します
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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11 !SLIDE
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12 ## Perl6とは
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13 - 当初Perl5の時期バージョンとして開発されていたプログラミング言語
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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14 - 仕様と実装が分離しており， 現在はテストが仕様となっている
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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15 - 実装は複数存在しているが，現在主流な実装はRakudoとなっている
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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16 - 言語的にはスクリプト言語であり， 漸進的型付き言語となっている
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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19 !SLIDE
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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20 ## Perl6のソースコード概要
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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22 - Perl5の文法とは比較的変更が多い
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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23 - 変数がオブジェクトと化した事により， 変数からsayメソッドを呼ぶことが可能
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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25 ```
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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26 my $str_value = 'hello world!';
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27 $str_value.say; # hello world!
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28 ```
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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30 - Perl5と同様に，変数にはデフォルトでは型がないような振る舞いをする
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32 ```
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33 my $sample_value = 'hello world!';
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34 $sample_value.say; # hello world!
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36 $sample_value = '31';
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37 $sample_value.say; # 31
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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39 say($sample_value * 3);
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40 ```
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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42 !SLIDE
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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43 ## Perl6の言語的な特徴
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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45 - 漸進的型付き言語である為， 型を強制することも可能となる
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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47 ```
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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48 my Int $int_value = 31;
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49 $int_value = "hello"; # Compile error!
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50 ```
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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52 !SLIDE
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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53 ## Perl6の処理系の構成
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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55 - Perl6の処理系は現在はRakudoと呼ばれる