[B! haskell][reactive] masterqã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

masterq id:masterq

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ã‚„ã•ã—ã„Functional reactive programmingï¼ˆBehaviorç·¨ï¼‰ - maoeã®ãƒ–ãƒã‚°
æ³¨æ„: ã“ã®ã‚¨ãƒ³ãƒˆãƒªã¯æ›¸ãã‹ã‘ã§ã™ã€‚ å‰å›žã¯Haskellã®FRPãƒ©ã‚¤ãƒ–ãƒ©ãƒªã®reactiveã«ã¤ã„ã¦å–ã‚Šä¸Šã’ã€Eventã®ä½¿ã„æ–¹ã‚’ç´¹ä»‹ã—ã¾ã—ãŸã€‚ä»Šå›žã¯FRPã«ãŠã„ã¦Eventã¨ä¸¦ã‚“ã§é‡è¦ãªBehaviorã‚’è¦‹ã¦ã„ãã¾ã™ã€‚ Behaviorã¨ã¯ Behaviorã«ã¤ã„ã¦ã¯å‰å›žè§¦ã‚Œã¾ã—ãŸãŒã€å†åº¦ãŠã•ã‚‰ã„ã—ã¦ãŠãã¾ã™ã€‚Behavior ã¨Event ã®æ„å‘³ã¯ã€ãã‚Œãžã‚Œæ¬¡ã®ã‚ˆã†ã«ä¸Žãˆã‚‰ã‚Œã¾ã™ã€‚ Behaviorã¯æ™‚é–“ã®é–¢æ•°ã§ã™ã€‚ã¤ã¾ã‚Šæ™‚é–“ã¨ã¨ã‚‚ã«å¤‰åŒ–ã™ã‚‹å€¤ã‚’è¡¨ç¾ã§ãã¾ã™ã€‚Behaviorã®æœ€å¤§ã®ç‰¹å¾´ã¯ãã‚ŒãŒé€£ç¶šçš„ãªæ™‚é–“ã‚’æ‰±ãˆã‚‹ã“ã¨ã§ã™ã€‚Eventã¯ç‰¹å®šã®æ™‚é–“ã¨ãã®ã¨ãã®å€¤ã‚’ãƒšã‚¢ã«ã—ãŸã‚‚ã®ãªã®ã§ã€æ‰±ã†æ™‚é–“ã¯é›¢æ•£çš„ã§ã™ãŒã€Behaviorã¯ä»»æ„ã®æ™‚é–“ã®å€¤ãŒå¾—ã‚‰ã‚Œã¾ã™ã€‚é€£ç¶šçš„ãªæ™‚é–“ã‚’æ‰±ã†ã“ã¨ã§ãƒ—ãƒã‚°ãƒ©ãƒ ãŒã‚·ãƒ³ãƒ—ãƒ«ã«ãªã‚Šã¾ã™ã€‚ã“ã®ãƒ¡ãƒªãƒƒãƒˆã«ã¤ã„ã¦ã¯Conal Elliott Â» Blog Archive
masterq 2010/12/27
reactive

frp

haskell
ãƒªãƒ³ã‚¯
ã‚„ã•ã—ã„Functional reactive programmingï¼ˆEventç·¨ï¼‰ - maoeã®ãƒ–ãƒã‚°
å‰å›žã¯FRPã®Behaviorã¨Eventã¨ã„ã†é‡è¦ãªæ¦‚å¿µã¨ã€Haskellã§ã®ä»£è¡¨çš„ãªãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚’ç°¡å˜ã«ç´¹ä»‹ã—ã¾ã—ãŸã€‚ä»Šå›žã¯ç´¹ä»‹ã—ãŸã‚‚ã®ã®ä¸ã‹ã‚‰reactiveã¨ã„ã†ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚’å–ã‚Šä¸Šã’ã¾ã™ã€‚ ãªãŠã€reactiveã‚’ç†è§£ã™ã‚‹ã«ã‚ãŸã£ã¦Less Sugar/More Meat Â» Blog Archive Â» Introducing Reactive: Eventsã¨ã„ã†ãƒãƒ¥ãƒ¼ãƒˆãƒªã‚¢ãƒ«ãŒã¨ã¦ã‚‚å½¹ã«ç«‹ã£ãŸã“ã¨ã‚’æ›¸ã„ã¦ãŠãã¾ã™ã€‚ã“ã®å¾Œå‡ºã¦ãã‚‹è§£èª¬ã‚‚å†’é éƒ¨åˆ†ã¯ã“ã®ãƒãƒ¥ãƒ¼ãƒˆãƒªã‚¢ãƒ«ã‹ã‚‰ã¨ã£ã¦ãã¦ã„ã¾ã™ã€‚ãã‚Œã¨ã€å‹•ä½œç’°å¢ƒã¯Linuxä¸Šã®GHC 6.12.1ã§ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã—ãŸreactive 0.11.4ã‚’ä½¿ã£ã¦ã„ã¾ã™ã€‚ reactiveã®ç‰¹å¾´ reactiveã¯Conal ElliottãŒä½œã£ãŸæœ€æ–°ã®FRPãƒ©ã‚¤ãƒ–ãƒ©ãƒªã§ã€ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã®ãƒ¦ãƒ¼ã‚¶å´ã‹ã‚‰è¦‹ãŸå¤§ããªç‰¹å¾´ã¯ã€Arrowã‚’ä½¿ã‚ãªã„å¤å…¸çš„FRPã‚’Fun
masterq 2010/12/27
reactive

haskell

frp
ãƒªãƒ³ã‚¯
ã‚„ã•ã—ã„Functional reactive programmingï¼ˆæ¦‚è¦ç·¨ï¼‰ - maoeã®ãƒ–ãƒã‚°
ã‚ã¨ã€ã‚„ã¯ã‚Šãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯å‘¨ã‚Šãªã©I/Oã®å¤šã„ãƒ—ãƒã‚°ãƒ©ãƒ ã®æ›¸ãã«ãã•ãŒèª²é¡Œã«ãªã£ã¦ã„ã‚‹å°è±¡ã€‚é–¢æ•°çš„ãªI/Oã¯FRPã§è§£æ±ºã§ããã†ãªæ°—ãŒã™ã‚‹ã‚“ã ã‘ã©èª¿ã¹ã¦ãªã„ã€‚ãã‚ãã‚FRPã‚’ã¡ã‚ƒã‚“ã¨ç†è§£ã—ãŸã„ãªãƒ¼ã€‚ Parsec 3æ´»ç”¨äº‹ä¾‹: Keepalivedæ§‹æ–‡ãƒã‚§ãƒƒã‚« - maoeã®ãƒ–ãƒã‚° ãªã‚“ã¦æ›¸ã„ã¦ã‹ã‚‰æ—©1ãƒ¶æœˆåŠã€ã‚ˆã†ã‚„ãFRPãŒæŽ´ã‚ã¦ããŸã®ã§ã‚ã‹ã£ãŸã“ã¨ã‚’ã¾ã¨ã‚ã¦ã¿ã¾ã™ã€‚ Reactive programmingã£ã¦ä½•ï¼Ÿ FRPã®å‰ã«ã€ä¸€èˆ¬çš„ã«wikipedia:en:Reactive programmingã¨å‘¼ã°ã‚Œã‚‹ãƒ‘ãƒ©ãƒ€ã‚¤ãƒ ã«ã¤ã„ã¦è§¦ã‚Œã¦ãŠãã¾ã™ã€‚reactive programmingã¨ã¯ç–‘ä¼¼è¨€èªžã‚’ä½¿ã£ã¦ã‹ãªãƒ¼ã‚Šå¤§é›‘æŠŠã«èª¬æ˜Žã™ã‚‹ã¨ã€ var a = 1 var b = a + 1 a = 10 // aã‚’æ›¸ãæ›ãˆã‚‹ print b // => 11print bã®å‡ºåŠ›ã¯2ã§ã¯ãªã11ã§ã™
masterq 2010/12/27
haskell

reactive

frp
ãƒªãƒ³ã‚¯
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