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1. 2. 3. 4. BPEL Java Java void subscribe(MailingList ml, String userEmailAddress) { sendConfirmationEmail(userEmailAddress); try { msg = waitForResponse(); if(validateMessage(msg)) ml.add(userEmailAddress); } catch( TimeoutException e ) { // abort } } waitForResponse Java waitForResponse 1. (continuation) Java javaflow 2. dalma engine 3. dalma engine endpoint 4. dalmacon 5. dalmacon dalma webui 6
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以下 Tiark Rompf è‘—A Taste of 2.8: Continuations ã®å’Œè¨³ã€‚ Scala 2.8 より継続(continuation) ã¨ã„ã†ä¾¿åˆ©ãªåˆ¶å¾¡ãƒ•ãƒãƒ¼ã®æŠ½è±¡è¦³å¿µãŒã‚µãƒãƒ¼ãƒˆã•ã‚Œã‚‹ã€‚継続を用ã„ã‚‹ã“ã¨ã§ã€ä¾‹ãˆã°ã€ã‚³ãƒ¼ãƒ«ãƒãƒƒã‚¯æŒ‡å‘ã§ã‚¤ãƒ™ãƒ³ãƒˆãƒ»ãƒ‰ãƒªãƒ–ン㪠API を一文ãšã¤æ›¸ã‹ã‚ŒãŸã€ã‚ˆã‚Šç´ ç›´ãªã‚¹ã‚¿ã‚¤ãƒ«ã§ä½¿ã†äº‹ãŒã§ãる。 ã“ã‚Œã¯æ•°ã€…ã®ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ä½œæ¥ã‚’簡潔化ã§ãã‚‹å¯èƒ½æ€§ãŒã‚ã‚‹: Java NIO を用ã„ãŸéžåŒæœŸIOExecutor やスレッド・プールã®ä½¿ç”¨ã‚¦ã‚§ãƒ–・アプリケーションã«ãŠã‘る複数ã®ãƒªã‚¯ã‚¨ã‚¹ãƒˆã‚’ã¾ãŸã„ã 制御フãƒãƒ¼Scala 2.8 ã§ã¯ä»¥ä¸Šã®ä¾‹ã®ãŸã‚ã®æ–°ã—ã„API ã¯æä¾›ã•ã‚Œãªã„ãŒã€ãã®åŸºã¨ãªã‚‹ç¶™ç¶šæ©Ÿæ§‹ãŒå®šã¾ã£ãŸå¾Œã§ã¯è‰²ã€…期待ã§ãã‚‹ã ã‚ã†ã€‚ shift 㨠reset を茶々ã£ã¨ プãƒã‚°ãƒ©ãƒ ã®ã‚る時点ã§ã€Œæ•æ‰ã€ã•ã‚ŒãŸç¶™ç¶šã¯ãれ以é™ã®ã€Œæ®‹ã‚Šã€ã®ãƒ—ãƒã‚°ãƒ©ãƒ を具象
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久々ã«The n-Category Cafeを見ãŸã‚‰ã€Mike Stayã«ã‚ˆã‚‹"The Continuation Passing Transform and the Yoneda Embedding"ãªã‚“ã¦è¨˜äº‹ãŒã‚ã‚Šã¾ã—ãŸã€‚ 米田埋ã‚è¾¼ã¿ã¯åœè«–ã§ã¯ãŠé¦´æŸ“ã¿ã€‚継続渡ã—ã¸ã®å¤‰æ›ã¯ã‚³ãƒ³ãƒ”ュータ・プãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã§ã¯ãŠé¦´æŸ“ã¿ã€‚ ã“ã®2ã¤ã¯ã€å®Ÿã¯åŒã˜ã‚‚ã®ãªã‚“ã よ。ãªã‚“ã§ã€èª°ã‚‚ã“ã®ã“ã¨ã‚’言ã‚ãªã„ã‚“ã ã‚ã†ã？ The Yoneda embedding is familiar in category theory. The continuation passing transform is familiar in computer programming. They're the same thing! Why doesn't anyone ever say so? Mike Stayã®ã“ã®è¨˜äº‹ã€é¢ç™½ã„ã®ã
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memoize continuation passing style function
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