[B! haskell] dannã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

dann id:dann

haskellã«é–¢ã™ã‚‹dannã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (50)

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Haskellã§ç«¶æŠ€ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚° IOç·¨ - Qiita
_ã“ã®è¨˜äº‹ã¯2013å¹´ã®æƒ…å ±ã‚ªãƒªãƒ³ãƒ”ãƒƒã‚¯å¤å£ã‚»ãƒŸãƒŠãƒ¼ã®ç™ºè¡¨ã®ãŸã‚ã« å‹•æ©Ÿ Haskellã«ã¯ç«¶æŠ€ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã«ä½¿ãˆã‚‹Coolãªæ©Ÿèƒ½ãŒæ²¢å±±ã‚ã‚Šã¾ã™ã€‚ ãƒ‘ã‚¿ãƒ¼ãƒ³ãƒžãƒƒãƒã‚„ãƒ—ãƒ¬ãƒ¼ã‚¹ãƒ›ãƒ«ãƒ€ã€ãƒ‘ã‚¿ãƒ¼ãƒ³ã‚¬ãƒ¼ãƒ‰ã€æŸ”è»Ÿãªé–¢æ•°åˆæˆãªã©ã§ã™ã€‚ ä¸‹ã¯AtCoder Regular Contest #14ã®Bå•é¡Œã«å¯¾ã™ã‚‹å›žç”ã§ã™ã€‚ å†å¸°ã‚„å ´åˆåˆ†ã‘ãŒã‹ãªã‚Šã‚·ãƒ³ãƒ—ãƒ«ã«æ›¸ã‘ã¾ã™ã€‚ import Control.Monad import Control.Applicative import Data.List main :: IO () main = do n <- readLn (w:ws) <- replicateM n getLine putStrLn $ case check [w] ws True of Nothing -> "DRAW" Just True -> "WIN" Just False -> "LO
dann 2014/11/23
haskell
ãƒªãƒ³ã‚¯
2013å¹´8æœˆç¾åœ¨ã®Haskellé–‹ç™ºç’°å¢ƒ - maoeã®ãƒ–ãƒã‚°
ä»¥å‰ã¯Haskell Platformã‚’ä½¿ã£ã¦ã„ãŸã®ã ã‘ã©ã€Cabalã®ä¾å˜é–¢ä¿‚ã‚½ãƒ«ãƒãŒã‚ã¾ã‚Šè³¢ããªã‹ã£ãŸã“ã¨ã‚‚ã‚ã‚Šã€ã„ã‚ã‚†ã‚‹dependency hellã«é™¥ã‚‹ã“ã¨ãŒå¤šã‹ã£ãŸã€‚ãã‚Œã‹ã‚‰ã¨ã„ã†ã‚‚ã®Haskell Platformã‚’ä½¿ã‚ãªã„ç’°å¢ƒã‚’ä½¿ã£ã¦ã„ã‚‹ã€‚OS Xã§ã¯å…¬å¼ã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ©ã‚„ã‚‰Homebrewã‚„Mac Portsãªã©å¹¾ã¤ã‹ã®æ–¹æ³•ãŒç”¨æ„ã•ã‚Œã¦ã„ã‚‹ãŒã€ã“ã‚“ãªæ–¹æ³•ã‚‚ã‚ã‚‹ã‚ˆã¨ã„ã†ã“ã¨ã§ç´¹ä»‹ã—ã¦ã¿ã‚ˆã†ã€‚ GHCã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« GHCã®ãƒªãƒªãƒ¼ã‚¹ç‰ˆã¯è‡ªåˆ†ã§ãƒ“ãƒ«ãƒ‰ã—ãªã„ã€‚æ™‚é–“ãŒæŽ›ã‹ã‚‹ã‹ã‚‰ã€‚ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ©ã¯ä½¿ã‚ãšã«tarballç‰ˆã‚’ä½¿ã†ã€‚ã“ã‚Œã¯ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«å…ˆã‚’è‡ªåˆ†ã§æŒ‡å®šã—ãŸã„ãŸã‚ã€‚ tar zxvf ~/Downloads/ghc-7.6.3-x86_64-apple-darwin.tar.bz2 cd ghc-7.6.3/ ./configure --prefix=/usr/local/ghc/
dann 2013/08/16
haskell
ãƒªãƒ³ã‚¯
ä»–ã®è¨€èªžã‚’å¦ã‚“ã§è‡ªç”±ã«ãªã‚ã†
1 kazu@iij.ad.jp 2 3 Paul Graham 4 Andrew Hunt and David Thomas 5 6 Java 7 Java Java Java 3 8 Haskell Scala Scala 9 10 Java Java Dean Wampler AWT ActionListener public interface ActionListener extends EventListener { public void actionPerformed(ActionEvent e); } 11 AWT ActionListener import java.awt.*; import java.awt.event.*; class ButtonApp { private final Button button = new Button(); public Bu
dann 2013/04/14
haskell
ãƒªãƒ³ã‚¯
é–¢æ•°ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã®å¸Œæœ› Haskellã®å¤¢ : å±±æœ¬ å’Œå½¦ æ°
Spring Bootã«ã‚ˆã‚‹APIãƒãƒƒã‚¯ã‚¨ãƒ³ãƒ‰æ§‹ç¯‰å®Ÿè·µã‚¬ã‚¤ãƒ‰ ç¬¬2ç‰ˆ ä½•åƒäººã‚‚ã®é–‹ç™ºè€…ãŒã€InfoQã®ãƒŸãƒ‹ãƒ–ãƒƒã‚¯ã€ŒPractical Guide to Building an API Back End with Spring Bootã€ã‹ã‚‰ã€Spring Bootã‚’ä½¿ã£ãŸREST APIæ§‹ç¯‰ã®åŸºç¤Žã‚’å¦ã‚“ã ã€‚ã“ã®æœ¬ã§ã¯ã€å‡ºç‰ˆæ™‚ã«æ–°ã—ããƒªãƒªãƒ¼ã‚¹ã•ã‚ŒãŸãƒãƒ¼ã‚¸ãƒ§ãƒ³ã§ã‚ã‚‹ Spring Boot 2 ã‚’ä½¿ç”¨ã—ã¦ã„ã‚‹ã€‚ã—ã‹ã—ã€Spring Boot3ãŒæœ€è¿‘ãƒªãƒªãƒ¼ã‚¹ã•ã‚Œã€é‡è¦ãªå¤‰...
dann 2013/01/04
haskell
ãƒªãƒ³ã‚¯
ãƒ«ãƒ¼ãƒ—æ›¸ã„ãŸã‚‰è² ã‘ã‹ãªã¨æ€ã£ã¦ã„ã‚‹
ãƒ«ãƒ¼ãƒ—æ›¸ã„ãŸã‚‰è² ã‘ã‹ãªã¨æ€ã£ã¦ã„ã‚‹ uskz è‡ªå·±ç´¹ä»‹ æ¢¶æœ¬è£•ä»‹ 25æ³ ãƒ«ãƒ¼ãƒ—å«Œã„ æŠ½è±¡åº¦ãŒä½Žã™ãŽã‚‹ å½¢å¼çš„ãªæ‰±ã„ãŒé¢å€’ãã•ã„ ç¯„å›²ã¨ã‹ã„ã¡ã„ã¡æ°—ã«ã—ãªã„ã¨ã„ã‘ãªã„ã®ãŒå«Œ accumulate? transf orm? int f(int a, int b, int c) { return 3 * a + 3 * b + 3 * c; } int f(int a, int b, int c) { return 3 * (a + b + c); } bool p(bool a, bool b, bool c) { return (!a && b || a && !b) != c; } bool p(bool a, bool b, bool c) { return a == b == c; } ãƒ›ãƒ¼ã‚¢è«–ç† {P}S {Q} Pã¯äº‹å‰æ¡ä»¶ã§ï¼ŒQã¯äº‹å¾Œæ¡ä»¶ï¼Žï½›Pï½Sï½›Qï½ãŒæ£ã—ã„ã“ã¨ã¯PãŒæˆã‚Šç«‹ã¤
dann 2012/08/09
fp

haskell
ãƒªãƒ³ã‚¯
d.y.d. å†å¸°é–¢æ•°ã®æ„å‘³ã¨ã¯ä¸å‹•ç‚¹ã§ã‚ã‚‹ï¼
02:12 05/09/03 åå¿œãƒªãƒ³ã‚¯é›† fixã®è©± â€¦ Perlç‰ˆã€ Perlç‰ˆã€ C++ç‰ˆã€ C++ç‰ˆã€ Schemeç‰ˆã€ Concurrent Cleanç‰ˆã€‚ ï¼ˆ9/4è¿½è¨˜: Rubyç‰ˆã€ Erlangç‰ˆã€ Squeakç‰ˆã€ Dç‰ˆã€‚ Sukunaç‰ˆã€‚ Erlangã®processã‚’ä½¿ã£ãŸãƒ¡ãƒ¢åŒ–ã®ä¾‹ã¯è¦‹ã¦ã¿ãŸã„ã‹ã‚‚ã€‚ï¼‰ã€‚ ã§ã€ ãƒ¡ãƒ¢åŒ–ã®è©± â€¦ Pythonç‰ˆã€ Pythonç‰ˆ ï¼ˆ9/4è¿½è¨˜: ETç‰ˆã€ Erlangç‰ˆã€ Javaç‰ˆã€ PostScriptç‰ˆã€‚ ï¼‰ã€‚ decoratorã¯æµçŸ³ã‹ã£ã“ã„ã„ã§ã™ãã€‚C++ç‰ˆã¯â€¦ã†ãƒ¼ã‚“ã€å€‹äººçš„ã«ã¯ã€ã“ã®ãã‚‰ã„ãªã‚‰ Boost ã«é ¼ã‚‰ãªã„ã§ç›´çƒã‚¹ãƒˆãƒ¬ãƒ¼ãƒˆã§æ›¸ã„ã¦ã‚ã’ãŸã„ã¨ã“ã‚ã§ã™ã€‚ å½¼ã¯ã‚„ã‚Œã°ã§ãã‚‹åãªã‚“ã§ã™ã€‚ template<int (*G)(int(*)(int),int)> int fix(int x) { return G( fix<G
dann 2012/08/09
dp

memo

haskell
ãƒªãƒ³ã‚¯
Haskell ã§ã®ãƒ‡ãƒãƒƒã‚° - ã‚ã©ã‘ãªã„è©±
ã€Œç´”ç²‹é–¢æ•°åž‹è¨€èªžã¯ãƒ‡ãƒãƒƒã‚°ã—ã«ãã„ã€‚ã ã£ã¦ç´”ç²‹ãªé–¢æ•°ã§ printf ãƒ‡ãƒãƒƒã‚°ã§ããªã„ã‹ã‚‰ã€ã¨ã¤ã¶ã‚„ã„ã¦ã„ã‚‹äººã‚’ã‚ˆãè¦‹ã‹ã‘ã¾ã™ã€‚ã“ã‚Œã¾ã§æ”¾ç½®ã—ã¦ãã¾ã—ãŸãŒã€ãƒªãƒ„ã‚¤ãƒ¼ãƒˆãŒ50ã‚’è¶…ãˆãŸã®ã§ã€Haskellã§ã®ãƒ‡ãƒãƒƒã‚°ã«ã¤ã„ã¦æ›¸ãã¾ã™ã€‚ ä¾‹å¤–å‡¦ç†ã¨åŒã˜ã‚ˆã†ã«ã€Haskell ã§ã®ãƒ‡ãƒãƒƒã‚°ã§ã¯ã€ç´”ç²‹ãªé–¢æ•°ã¨ IO ã‚’åˆ†ã‘ã¦è€ƒãˆã‚‹å¿…è¦ã‚ã‚Šã¾ã™ã€‚ IO ã§ã® printf ãƒ‡ãƒãƒƒã‚° IO ã§ã¯ã€putStrLn ã‚„ print ãŒä½¿ãˆã‚‹ã‹ã‚‰å•é¡Œãªã„ã§ã™ã‚ˆãï¼Ÿ foo :: Int -> IO Bool foo i = do x <- ã‚ã‚Œã—ã¦ i putStrLn $ "x = " ++ show x ã“ã‚Œã—ã¦ putStrLn "ã“ã“ã‚‚é€šéŽ" -- ãã‚Œã‚‚ã™ã‚‹ y <- ãã‚Œã‚‚ã™ã‚‹ print y return y ã¡ãªã¿ã«ã€forkIO èµ·å‹•ã—ãŸè»½é‡ã‚¹ãƒ¬ãƒƒãƒ‰ã‹ã‚‰ putStrLn ã™ã‚‹å ´åˆã€è»½é‡ã‚¹
dann 2012/06/09
haskell
ãƒªãƒ³ã‚¯
Haskell Day2012 - å‚ç…§é€éŽæ€§ã¨ã¯ä½•ã ã£ãŸã®ã‹
3. è‡ªå·±ç´¹ä»‹ â€¢ @ruicc â€¢ Ruichi Kousuke â€¢ å¥½ããªä½œæ›²å®¶ï¼šA. Bruckner â€¢ å¥½ããªãƒã‚¤ã‚ªãƒªãƒ‹ã‚¹ãƒˆï¼šHilary Hahn â€¢ å¥½ããªè¨€èªžï¼šHaskell â€¢ çˆ†ç™ºã™ã‚Œã°ã„ã„è¨€èªžï¼šPHP
dann 2012/05/29
haskell
ãƒªãƒ³ã‚¯
Haskell Performance Patterns
hello mum");a.close()},find_slide_number:function(e){var c=e.indexOf("#");if(c<0){return 0}var b=unescape(e.substr(c+1));var f=document.getElementById(b);if(!f){var d=/$(\d)+$/;if(b.match(d)){var a=parseInt(b.substring(1,b.length-1));if(a>this.slides.length){a=1}if(--a<0){a=0}return a}d=/\[(\d)+\]/;if(b.match(d)){var a=parseInt(b.substring(1,b.length-1));if(a>this.slides.length){a=1}if(--a<0){a=
dann 2012/02/16
haskell
ãƒªãƒ³ã‚¯
é–¢æ•°ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã®é“ã—ã‚‹ã¹ (application/pdf ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆ)
dann 2012/02/13
fp

haskell
ãƒªãƒ³ã‚¯
ç¬¬52å›žã€€ãƒ‡ãƒ¼ã‚¿æ§‹é€ ã‚’èµ°æŸ»ã™ã‚‹ãŸã‚ã®Traversableã‚¯ãƒ©ã‚¹
ãƒ‡ãƒ¼ã‚¿æ§‹é€ ã«å¯¾ã™ã‚‹å‡¦ç†ã‚’æŠ½è±¡åŒ–ã™ã‚‹ãŸã‚ã®åž‹ã‚¯ãƒ©ã‚¹ã¨ã—ã¦ï¼Œç¬¬3å›žã§ã¯Functorã‚¯ãƒ©ã‚¹ï¼Œç¬¬34å›žã§ã¯Foldableã‚¯ãƒ©ã‚¹ã‚’èª¬æ˜Žã—ã¾ã—ãŸã€‚Functorã‚¯ãƒ©ã‚¹ã‚„Foldableã‚¯ãƒ©ã‚¹ã§ã¯ï¼Œã€Œãƒ‡ãƒ¼ã‚¿æ§‹é€ ã®èµ°æŸ»ï¼ˆtraverseï¼‰ã€ã¨ã€Œãƒ‡ãƒ¼ã‚¿æ§‹é€ ã‚’èµ°æŸ»ã—ãŸéš›ã«è¡Œã†å‡¦ç†ã€ã‚’ã‚»ãƒƒãƒˆã«ã—ãŸfmapã‚„fold*ã¨ã„ã†å‡¦ç†ãŒç›´æŽ¥æä¾›ã•ã‚Œã¦ã„ã¾ã™ã€‚ Haskellä»¥å¤–ã®è¨€èªžãŒæŒã¤ã‚¤ãƒ†ãƒ¬ãƒ¼ã‚¿ãªã©ã®æ©Ÿèƒ½ã§ã¯ã€Œãƒ‡ãƒ¼ã‚¿æ§‹é€ ã®èµ°æŸ»ã€ã¨ã€Œãƒ‡ãƒ¼ã‚¿æ§‹é€ ã‚’èµ°æŸ»ã—ãŸéš›ã«è¡Œã†å‡¦ç†ã€ã‚’åˆ‡ã‚Šé›¢ã™ã“ã¨ã§ï¼Œã‚ˆã‚Šä¸€èˆ¬çš„ãªå‡¦ç†ã‚’è¡Œãˆã¾ã™ã€‚Haskellã§ã¯ãã®ã‚ˆã†ãªæž çµ„ã¿ã¨ã—ã¦ï¼ŒData.Traversableãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã§Traversableã‚¯ãƒ©ã‚¹ãŒæä¾›ã•ã‚Œã¦ã„ã¾ã™ã€‚ mapMé–¢æ•°ã‚„sequenceé–¢æ•°ã‚’ä¸€èˆ¬åŒ– ã¾ãšï¼ŒTraversableã‚¯ãƒ©ã‚¹ãŒã©ã®ã‚ˆã†ãªã‚‚ã®ã‹ã‚’ç°¡å˜ã«è¦‹ã¦ã¿ã¾ã—ã‚‡ã†ã€‚ Prelude Data.Traversable
dann 2012/02/09
haskell
ãƒªãƒ³ã‚¯
hdiff
hdiff shows you the changes between different releases of a package. Use this web interface or the bookmarklet below when browsing hackage. hdiff (drag to your bookmarks toolbar to use) hdiff is also a complete hackage mirror. Add the following line to your cabal config file to use hdiff as a package source: remote-repo: hdiff.luite.com:http://hdiff.luite.com/packages/archive
dann 2012/01/31
haskell
ãƒªãƒ³ã‚¯
HaskellåŽ¨ã‚’6å¹´ã‚„ã£ã¦ã‚‹ä¿ºãŒOCamlã‚’ä»•äº‹ã§2ãƒ¶æœˆä½¿ã£ã¦ã¿ãŸ - keigoiã®æ—¥è¨˜
Haskell Advent Calendar jp 2010ã®ãŸã‚ã®ã‚¨ãƒ³ãƒˆãƒªã§ã™ï¼ˆ17æ—¥ç›®ï¼‰ï¼Ž 6æ—¥ç›®ã® id:camlspotterã•ã‚“ã® çµŒé¨“15å¹´ã®OCaml ãƒ¦ãƒ¼ã‚¶ãƒ¼ãŒ Haskell ã‚’ä»•äº‹ã§åŠå¹´ä½¿ã£ã¦ã¿ãŸ ã«å¯¾ã™ã‚‹ã‚«ã‚¦ãƒ³ã‚¿ãƒ¼ï¼ˆã«ãªã£ã¦ã‚‹ã‹ã©ã†ã‹åˆ†ã‹ã‚‰ãªã„ã§ã™ãŒï¼‰ã¿ãŸã„ãªæ„Ÿã˜ã§ã™ï¼Ž è¿‘ãã¦é ã„éš£äººï¼šHaskellã¨OCaml OCamlã¯Haskellã¨é•ã£ã¦å‰¯ä½œç”¨ãŒã‚ã‚Šï¼Œæ›´ã«HMåž‹æŽ¨è«–ã‚’ã‚‚ã¤ãŸã‚ãƒ—ãƒã‚°ãƒ©ãƒžã¯æœ¬è³ªçš„ãªéƒ¨åˆ†ã®è¨˜è¿°ã«æ³¨åŠ›ã—ã¤ã¤ï¼Œã‚³ãƒ¼ãƒ‰ã®ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã‚‚ã§ãã‚‹ï¼Ž ã¤ã¾ã‚ŠåƒãHaskellãƒ—ãƒã‚°ãƒ©ãƒžãŒã‚·ãƒªã‚¢ã‚¹ãªã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã‚’æ›¸ãæ™‚ã«ä½¿ãˆã‚‹ã»ã¨ã‚“ã©å”¯ä¸€ã®é¸æŠžè‚¢ã ï¼Žã—ã‹ã—ï¼ŒåŒã˜é™çš„åž‹ä»˜ã‘ã®é–¢æ•°åž‹è¨€èªžã§ã‚ã‚ŠãªãŒã‚‰ï¼ŒOCamlã¨Haskellã®è¦‹ãŸç›®ã¯ã‹ãªã‚Šç•°ãªã‚‹ï¼Ž ã“ã®è¨˜äº‹ã§ã¯ï¼Œ Haskellãƒ—ãƒã‚°ãƒ©ãƒžãŒOCamlã‚’ä½¿ã„å§‹ã‚ã‚‹ã¨ï¼Œã©ã†ã„ã†ãƒˆãƒ©ãƒƒãƒ—ã«ãƒãƒžã‚‹ã‹ã‚’æ›¸ãï¼Ž ãªã‹ã§ã‚‚ï¼Œ
dann 2012/01/26
haskell
ãƒªãƒ³ã‚¯
YBlog - Haskell web programming
update: updated for Yesod 1.2 tl;dr: A simple Yesod tutorial. Yesod is a Haskell web framework. You shouldnâ€™t need to know Haskell. Its efficiency (see Snap Benchmark & Warp Benchmark1). Haskell is an order of magnitude faster than interpreted languages like Ruby and Python2. Haskell is a high level language that makes it harder to shoot yourself in the foot than C, C++ or Java, for example. One o
dann 2012/01/22
haskell

yesod
ãƒªãƒ³ã‚¯
æ¨™æº–å…¥åŠ›ã‚’ãƒ–ãƒ©ã‚¦ã‚¶ã§tail -fã§ãã‚‹htmlcatã‚’Haskellã§æ›¸ã„ãŸ - maoeã®ãƒ–ãƒã‚°
GNU screen ä½¿ã£ã¦ã„ã‚‹ã¨ã¯ã„ãˆé–‹ç™ºä¸ã«è«¸ã€…ã®ãƒã‚°ã‚’æµã—ã¦ãŠãã®ã«ã‚¦ã‚£ãƒ³ãƒ‰ã‚¦ä½¿ã†ã®ã«æ…£ã‚Œã¦ãªãã¦ã€ã‚¿ãƒ–é–‹ãã¾ãã‚‹ãªã‚‰ã‚„ã£ã±ã‚Šãƒ–ãƒ©ã‚¦ã‚¶ã‚’ä½¿ã„ãŸã„ã£ã¦ã“ã¨ã§ã€æ¨™æº–å…¥åŠ›ã‚’ãƒ–ãƒ©ã‚¦ã‚¶ã«å‡ºã—ã¦ãã‚Œã‚‹ãƒ„ãƒ¼ãƒ«ã‚’æ›¸ãã¾ã—ãŸã€‚ æ¨™æº–å…¥åŠ›ã‚’ãƒ–ãƒ©ã‚¦ã‚¶ã§ tail -f ã§ãã‚‹ htmlcat ã¨ã„ã†ã®ã‚’æ›¸ã„ãŸ - NaN days - subtech ã¨ã„ã†ã®ã‚’å‹•ã‹ã—ã¦ã¿ãŸã‹ã£ãŸã®ã§ã™ãŒã€Perlã®ç’°å¢ƒæ•´å‚™ãŒã†ã¾ãã„ã‹ãªã‹ã£ãŸã®ã§ã€Haskellã§æ›¸ã„ã¦ã¿ã¾ã—ãŸã€‚ã‚³ãƒ¼ãƒ‰ã¯çŸã„ã®ã§ã“ã“ã«è²¼ã£ã¦ãŠãã¾ã™ã€‚ maoe/htmlcat Â· GitHub {-# LANGUAGE ScopedTypeVariables, QuasiQuotes, OverloadedStrings, RecordWildCards, DeriveDataTypeable #-} module Main where import C
dann 2012/01/22
haskell
ãƒªãƒ³ã‚¯
Haskellã®æ¥½ã—ã¿ï¼š<br>æ‰‹ç¶šãæ“ä½œåž‹ã¨ã„ã†ãƒ‘ãƒ©ãƒ€ã‚¤ãƒ
Haskellã®æ¥½ã—ã¿ï¼š æ‰‹ç¶šãæ“ä½œåž‹ã¨ã„ã†ãƒ‘ãƒ©ãƒ€ã‚¤ãƒ ç”°ä¸è‹±è¡ŒÂ tanakh@preferred.jp 2011/11/09Â æŠ€è¡“äº¤æµä¼šÂ @æ—¥æœ¬ãƒ¦ãƒ‹ã‚·ã‚¹ è‡ªå·±ç´¹ä»‹ ç”°ä¸è‹±è¡ŒÂ (@tanakh)(æ ª)PreferredÂ InfrastractureÂ ç ”ç©¶é–‹ç™ºéƒ¨é–€ç¤¾å†…ãƒ©ã‚¤ãƒ–ãƒ©ãƒªÂ pficommon https://github.com/pfi/pficommonåˆ†æ•£æ©Ÿæ¢°å¦ç¿’ãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯Â jubatus http://jubat.us/Haskellæ„›å¥½å®¶2003ï½žLearnÂ YouÂ aÂ HaskellÂ forÂ GreatÂ Good!è¨³ã—ã¦ã¾ã™æœ¬æ—¥ã®æ¦‚è¦ ãƒ»Â Haskellã¯Â ç°¡å˜ ãƒ»Â Haskellã¯Â ã™ã”ã„ ãƒ»Â Haskellã¯Â é¢ç™½ã„ ãƒ»Â HaskellÂ ã¯ç°¡å˜ã§ã™ã”ãé¢ç™½ã„ ãƒ»Â HaskellÂ ã¯é¢ç™½ãã¦ã™ã”ã„ã‚‚ã®ãŒç°¡å˜ã«ä½œã‚Œã‚‹ ï¼ˆã‚ã¨ãƒ¢ãƒŠãƒ‰ã®è©±å°‘ã—ï¼‰ æœ€è¿‘ã®Haskellã®è©±é¡ŒYes
dann 2011/12/19
haskell
ãƒªãƒ³ã‚¯
ã‚¨ãƒ©ãƒ¼å‡¦ç†ã‚’æ›¸ã„ã¦ã¯ã„ã‘ãªã„
ã‚¨ãƒ©ãƒ¼å‡¦ç†ã‚’æ›¸ã„ã¦ã¯ã„ã‘ãªã„ç”°ä¸è‹±è¡ŒÂ tanaka.hideyuki@gmail.com 2011/12/08Â @PFIã‚»ãƒŸãƒŠãƒ¼ è‡ªå·±ç´¹ä»‹ç”°ä¸è‹±è¡ŒÂ (@tanakh,Â http://tanakh.jp) PFIç¤¾ã§ãƒ—ãƒã‚°ãƒ©ãƒžã‚„ã£ã¦ã¾ã™Jubatuspficommonæ¤œç´¢ã‚¨ãƒ³ã‚¸ãƒ³ã®ã‚³ã‚¢ã‚¨ãƒ³ã‚¸ãƒ³Haskellæ„›å¥½å®¶msgpackÂ /Â rpcÂ /Â idlpeggyÂ (ãƒ‘ãƒ¼ã‚¶ã‚¸ã‚§ãƒãƒ¬ãƒ¼ã‚¿Â &Â QQÂ w/Â AQ)Shu-thingÂ (ã‚·ãƒ¥ãƒ¼ãƒ†ã‚£ãƒ³ã‚°ã‚²ãƒ¼ãƒ )Â /Â (MonadiusÂ ãƒ¡ãƒ³ãƒ†ãƒŠ)ä»Šæ°—ã«ãªã‚‹ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã¯Â monad-controlLearnÂ youÂ aÂ HaskellÂ é‹æ„ç¿»è¨³ä¸Â ï¼ˆæ˜¥é ƒç™ºå£²äºˆå®šï¼‰ ã‚¨ãƒ©ãƒ¼å‡¦ç†ã‚’æ›¸ã„ã¦ã¯ã„ã‘ãªã„æœ¬æ—¥ã®æ¦‚è¦ã‚¨ãƒ©ãƒ¼å‡¦ç†ã‚’æŠ½è±¡åŒ–ã—ã‚ˆã†ã¨ã„ã†ãŠè©±ã§ã™ ç¾åœ¨ã®ã‚¨ãƒ©ãƒ¼å‡¦ç†ã®æŠ±ãˆã‚‹å•é¡Œã©ã®ã‚ˆã†ã«è§£æ±ºã™ã‚‹ã®ã‹å®Ÿéš›ã®ä¾‹ã‚¨ãƒ©ãƒ¼ã¯å‡¦ç†ã—ãªã‘ã‚Œã°ãªã‚‰ãªã„ ã‚¨ãƒ©ãƒ¼å‡¦ç†ã‚’æ›¸ã„ã¦ã¯ã„ã‘ãª
dann 2011/12/10
haskell
ãƒªãƒ³ã‚¯
ãªãœé–¢æ•°ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã¯é‡è¦ã‹
John Hughes, Institutionen fÃ¶r Datavetenskap, Chalmers Tekniska HÃ¶gskola, 41296 GÃ¶teborg, SWEDEN. [email protected] ã“ã®æ—¥æœ¬èªžè¨³ã¯åŽŸè‘—è€…ã®æ‰¿è«¾ã‚’å¾—ã¦å±±ä¸‹ãŒã“ã“ã«å…¬é–‹ã™ã‚‹ã‚‚ã®ã§ã™ã€‚ ã“ã®è¨³æ–‡ã«ã¤ã„ã¦ã®ã€å¾¡æŒ‡æ‘˜ãªã©ã¯å±±ä¸‹ä¼¸å¤«(nobsun .at. sampou.org)ã¾ã§ãŠããŒã„ ã„ãŸã—ã¾ã™ã€‚ ç¿»è¨³æœ€çµ‚æ›´æ–°æ—¥ : 2011-09-17 åŽŸæ–‡ "Why Functional Programming Matters" æ—¥æœ¬èªžè¨³PostScript ã“ã®è«–æ–‡ã¯1984å¹´ä»¥æ¥ä½•å¹´ã‚‚ã®ã‚ã„ã Chalmerså¤§å¦ã®ãƒ¡ãƒ¢ã¨ã—ã¦å›žè¦§ã•ã‚ŒãŸã€‚ 1989å¹´ã¨1990å¹´ã«å¹¾åˆ†ã‹æ”¹è¨‚ã‚’ã—ãŸã®ãŒ[Hug89]ã¨ [Hug90]ã§ã‚ã‚‹ã€‚ã“ã®ç‰ˆã¯ã‚‚ã¨ã®Chalmerå¤§å¦ã®ãƒ¡ãƒ¢ ã®nroffåŽŸç¨¿ã‚’ã‚‚ã¨ã«
dann 2011/10/08
functional

haskell
ãƒªãƒ³ã‚¯
Yesodå‹‰å¼·ä¼š
18. ä¾‹import Network.CGIimport Text.Htmlmain :: IO ()main = runCGI (handleErrorscgiMain)cgiMain :: CGI CGIResultcgiMain = output $ renderHtml $ dothehtml << [ header $ thetitle << "Test Page!" , body << [ h1 << "Hoge-" , paragraph << [ primHtml "Hello, World!" ]]] 19. å‚è€ƒ:pficommonã®CGIãƒ©ã‚¤ãƒ–ãƒ©ãƒªHaskellã®CGIï¼‹HTMLã‚’ä¸‹æ•·ãã«ä½œã£ãŸclass my_cgi : public xhtml_cgi{public: void run(){ html__{ head__{ title__{ text__("Te
dann 2011/09/18
haskell
ãƒªãƒ³ã‚¯
ã‚«ãƒªãƒ¼åŒ–è«‡ç¾© - ã‚ã©ã‘ãªã„è©±
æœ€è¿‘ã€ã‚¹ã‚¿ãƒ¼ãƒˆHaskellã§ã€Œã‚«ãƒªãƒ¼åŒ–ã•ã‚ŒãŸé–¢æ•°ã®ãƒ¡ãƒªãƒƒãƒˆã¯ä½•ã‹ï¼Ÿã€ã¨ã„ã†è³ªå•ãŒå‡ºãŸã€‚ãã®ã™ãå¾Œã«ã€kmizuã•ã‚“ãŒã‚«ãƒªãƒ¼åŒ–ã®èª¤ç”¨ã«å¯¾ã—ã¦è¦é˜ã‚’é³´ã‚‰ã—ã¦ã—ã¦ã„ãŸã€‚åƒ•ã‹ã‚‰ã™ã‚‹ã¨kmizuã•ã‚“ã®ã€Œã‚«ãƒªãƒ¼åŒ–ã®å®šç¾©ã€ã‚‚èª¤ç”¨ã«æ€ãˆãŸã®ã§ã€èª¿ã¹ã‚‹ã¨ã¨ã‚‚ã«è€ƒãˆãŸã“ã¨ã®ã¾ã¨ã‚ã€‚ ã„ã‚ã‚“ãªå®šç¾© ã€Œã‚«ãƒªãƒ¼åŒ–ã™ã‚‹ã€ã¨ã„ã†ç”¨èªžã¯ã€ã™ããªãã¨ã‚‚ä»¥ä¸‹ã®3ã¤ã®æ„å‘³ã§ä½¿ã‚ã‚Œã¦ã„ã‚‹ã‚ˆã†ã ã€‚ éƒ¨åˆ†é©ç”¨ã¨ã„ã†æ„å‘³ ã“ã‚Œã¯æ˜Žã‚‰ã‹ã«é–“é•ã„ ã€Œè¤‡æ•°ã®å¼•æ•°ã‚’å–ã‚‹é–¢æ•°ã€ã‚’ã€Œä¸€å¼•æ•°ã‚’å–ã‚‹é–¢æ•°ã®ãƒã‚§ã‚¤ãƒ³ã«ç›´ã™ã€ã“ã¨ ã“ã‚Œã¯kmizuã•ã‚“ã®å®šç¾©ã€‚ä¸–é–“ã§ã‚‚ã‚ˆãä½¿ã‚ã‚Œã‚‹ã€‚ ã€Œæ§‹é€ ä½“ã‚’ä¸€ã¤å–ã‚‹é–¢æ•°ã€ã‚’ã€Œæ§‹é€ ä½“ã®ãƒ¡ãƒ³ãƒãƒ¼ã‚’è¤‡æ•°ã®å¼•æ•°ã«ã°ã‚‰ã—ã€ä¸€å¼•æ•°ã‚’å–ã‚‹é–¢æ•°ã®ãƒã‚§ã‚¤ãƒ³ã«ç›´ã™ã€ã“ã¨ ã“ã‚Œã¯åƒ•ã®å®šç¾©ã€‚ã¨ã„ã†ã‹ã€Haskellã‚³ãƒŸãƒ¥ãƒ‹ãƒ†ã‚£ã®å®šç¾©ã€‚ ã€Œéƒ¨åˆ†é©ç”¨ã€ã®æ„å‘³ã§ä½¿ã†ã®ã¯æ˜Žã‚‰ã‹ã«é–“é•ã„ã®ãªã§æŽ’é™¤ã€‚å®šç¾©2ã¨3ã«ã¤ã„ã¦è°è«–ã™ã‚‹ã€‚ã‚ã¨ã§ã€éƒ¨åˆ†é©ç”¨ã¨ã¯ä½•ã‹ã«
dann 2011/09/07
haskell

currying
ãƒªãƒ³ã‚¯
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