[B! Haskell] daisuke-mã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

daisuke-m id:daisuke-m

Haskellã«é–¢ã™ã‚‹daisuke-mã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (11)

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Haskellã§ï¿¼ï¿¼JSON Web APIã‚’ä½œã‚‹ã¨å¹¸ã›ã«ãªã‚Œã‚‹ã‹ã‚‚ã‚ˆ - Fujimura
å…ˆæ—¥Yesodå‹‰å¼·ä¼šç¬¬2å›žã§Haskellã§JSON Web APIã‚’ä½œã‚‹è©±ã—ã‚’ã—ã¾ã—ãŸã€‚ å†…å®¹çš„ã«ã¯ä¸‹è¨˜ã®ã‚ˆã†ãªæ„Ÿã˜ã§ã™ã€‚ Webé–‹ç™ºã¯ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã‚µã‚¤ãƒ‰ã®æŠ€è¡“ãŒç™ºé”ã—ã¦ã€Web APIã‚’ä½œã‚‹æ©Ÿä¼šãŒå¤šããªã£ãŸæœ€è¿‘ã®ãƒ•ãƒãƒ³ãƒˆã‚¨ãƒ³ãƒ‰ã¯é›£ã—ã„ã—ã€åˆ†æ¥ã—ãŸã»ã†ãŒã„ã„ã£ã½ã„Yesodã¯ç‹¬è‡ªæŠ€è¡“ï¼†ãƒ•ãƒ«ã‚¹ã‚¿ãƒƒã‚¯ã™ãŽã¦åˆ†æ¥è¾›ã„ã§ã¯scotty + persistent + aesonã§JSON Web APIä½œã‚ã†ãžãªã‚“ã‹æƒ³åƒä»¥ä¸Šã®ç›¸æ€§ã®è‰¯ã•ã€‚å¹¸ã›ã«ãªã‚Œãã†ãªã‚¤ã‚ãƒ•ãƒ³ãŒãƒ“ã‚·ãƒ“ã‚·æ¥ã¦ã‚‹ç™ºè¡¨è³‡æ–™ã¯ã“ã¡ã‚‰ã€‚ ã¡ãªã¿ã«ï¿¼scottyã¯sinatraã¿ãŸã„ãªå¥´ã€aesonã¯JSONãƒ©ã‚¤ãƒ–ãƒ©ãƒªã€persistentã¯ORãƒžãƒƒãƒ‘ãƒ¼ã§ã™ã€‚ ä½•ã—ã‚aeson + persistentã®ç›¸æ€§ãŒãƒãƒƒãƒãƒªã§ã—ãŸã€‚ç™ºè¡¨å¾Œã«ï¿¼ï¿¼ï¿¼@thimuraã•ã‚“ãŒè¦‹ã¤ã‘ãŸ ã˜ã¤ã¯ persistent ã®ã‚¹ã‚ãƒ¼ãƒžå®šç¾©ã§ã€ãƒ†ãƒ¼ãƒ–ãƒ«åã®æ¨ªã« js
daisuke-m 2012/08/15
Haskell
ãƒªãƒ³ã‚¯
Haskellã¨yesodã‚’Mac OS X Lionã«ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã™ã‚‹
å··ã§è©±é¡Œã®ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°æœ¬ã€Œã™ã”ã„Haskell ãŸã®ã—ãå¦ã¼ã†!!ã€ï¼ˆç•¥ã—ã¦ ã™ã”ã„Hæœ¬ï¼‰ã‚’æ‰‹ã«å…¥ã‚Œã¾ã—ãŸã®ã§ã€æ—©é€Ÿã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ã¦ã¿ã¾ã™ã€‚ Haskell Platformã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ã¾ã™ã€‚ Haskell Platform http://hackage.haskell.org/platform/ pkgãƒ•ã‚¡ã‚¤ãƒ«ãªã®ã§ã€ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ©ã«å¾“ã£ã¦ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã€‚ ã‚¿ãƒ¼ãƒŸãƒŠãƒ«ã‚’é–‹ã„ã¦ã€Œghciã€ã‚’å®Ÿè¡Œã™ã‚‹ã¨ã€REPL (Real Eval Print Loop) ãŒèµ·å‹•ã—ã¾ã™ã€‚ $ ghci GHCi, version 7.0.4: http://www.haskell.org/ghc/ :? for help Loading package ghc-prim ... linking ... done. Loading package integer-gmp ... linking ...
daisuke-m 2012/06/20
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
daisuke-m 2012/05/30
Haskell
ãƒªãƒ³ã‚¯
Ga nonogram
3. ãƒ”ã‚¯ãƒã‚¹ ï¬ ç¸¦æ¨ªã«åˆ¶ç´„ãŒã‚ã‚‹ ï¬ é»’ãŠã‚ˆã³ç™½ã‚’é †æ¬¡ç¢ºå®š ã•ã›ã¦è§£ã„ã¦ã„ã ï¬ äººé–“ãŒè§£ãã‚‚ã®ãƒ»ãƒ»ãƒ» ã§ã™ã‚ˆãï¼Ÿ 3
daisuke-m 2012/05/01
æ©Ÿæ¢°å¦ç¿’

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
daisuke-m 2011/12/12
haskell

ä¾‹å¤–
ãƒªãƒ³ã‚¯
é–¢æ•°åž‹ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã®ä¸–ç•Œ
é–¢æ•°åž‹ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã§é‡è¦ã¨ãªã‚‹é«˜éšŽé–¢æ•°ã¨é…å»¶è©•ä¾¡ã«ã¤ã„ã¦ç´¹ä»‹ã€‚æ™‚é–“ã®é–¢ä¿‚ã§ã€é…å»¶è©•ä¾¡ã«ã¤ã„ã¦ã¯ Why Functional Programming Matters ã¨ãã®é–¢é€£ URL ã®ç´¹ä»‹ã—ã‹ã—ã¦ã„ãªã„ã€‚Read less
daisuke-m 2011/06/14
é–¢æ•°åž‹

haskell
ãƒªãƒ³ã‚¯
ãƒ¢ãƒŠãƒ‰ã¯ãƒ¡ã‚¿ãƒ•ã‚¡ãƒ¼ã§ã¯ãªã„ Â· eed3si9n
2011-05-28 Scalaç•Œã®é–¢æ•°åž‹ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ä¸€æ´¾ã‚’ä»£è¡¨ã™ã‚‹è«–å®¢ã®ä¸€äººã€@djspiewak ãŒ 2010å¹´ã«æ›¸ã„ãŸ â€œMonads Are Not Metaphorsâ€ ã‚’ç¿»è¨³ã—ã¾ã—ãŸã€‚ç¿»è¨³ã®å…¬é–‹ã¯æœ¬äººã‚ˆã‚Šè¨±è«¾æ¸ˆã¿ã§ã™ã€‚ç¿»è¨³ã®é–“é•ã„ç‰ãŒã‚ã‚Œã°é æ…®ãªãã”æŒ‡æ‘˜ãã ã•ã„ã€‚ 2010å¹´12æœˆ27æ—¥ Daniel Spiewak è‘— 2011å¹´5æœˆ29æ—¥ e.e d3si9n è¨³ åƒ•ã¯ä»Šã€ç´„æŸã‚’ç ´ã‚‹ã¨ã“ã‚ã ã€‚ãŠã‚ˆãä¸‰å¹´å‰ã€åƒ•ã¯çµ¶å¯¾ã«ãƒ¢ãƒŠãƒ‰ã®è¨˜äº‹ã ã‘ã¯æ›¸ã‹ãªã„ã¨è‡ªåˆ†ã«ç´„æŸã—ãŸã€‚æ—¢ã«ãƒ¢ãƒŠãƒ‰ã«é–¢ã™ã‚‹è¨˜äº‹ã¯æœ‰ã‚Šä½™ã£ã¦ã„ã‚‹ã€‚è¨˜äº‹ã®æ•°ãŒå¤šã™ãŽã¦ãã®å¤šã•ã ã‘ã§å¤šãã®äººã¯æ··ä¹±ã—ã¦ã„ã‚‹ã€‚ã—ã‹ã‚‚å…¨å“¡ãŒãƒ¢ãƒŠãƒ‰ã«å¯¾ã—ã¦ç•°ãªã‚‹æ‰±ã„æ–¹ã‚’ã—ã¦ã„ã‚‹ãŸã‚ã€ãƒ¢ãƒŠãƒ‰ã®æ¦‚å¿µã‚’åˆã‚ã¦å¦ã¼ã†ã¨ã™ã‚‹è€…ã¯ã€ãƒ–ãƒªãƒˆãƒ¼ã€å®‡å®™æœã€è±¡ã€ç ‚æ¼ ã®ãƒ™ãƒ‰ã‚¦ã‚£ãƒ³ (è¨³æ³¨: ã‚¢ãƒ©ãƒ–ç³»éŠç‰§æ°‘) ã®å…±é€šé …ã‚’æŽ¢ã™åŠªåŠ›ã‚’ã™ã‚‹ãƒãƒ¡ã«ãªã£ã¦ã„ã‚‹ã€‚ åƒ•ã¯ã€ã“ã®æ··ä¹±ã—ãŸ
daisuke-m 2011/06/02
é–¢æ•°åž‹

Scala

monad

Haskell
ãƒªãƒ³ã‚¯
2011å¹´ã« Haskell ã‚’å§‹ã‚ã‚‹äººã®ãŸã‚ã« - ã‚ã©ã‘ãªã„è©±
é©åˆ‡ãªä¸€æ©ã‚’è¸ã¿å‡ºã™ã‹å¦ã‹ã¯ã€å¤§ããªé•ã„ã‚’ç”Ÿã¿ã¾ã™ã€‚ã“ã®è¨˜äº‹ã§ã¯ã€2011å¹´ã« Haskell ã‚’å§‹ã‚ã‚‹äººã®ãŸã‚ã«ã€è‘—è€…ãŒè€ƒãˆã‚‹æœ€é©ãªå…¥é–€æ–¹æ³•ã‚’ç¤ºã—ã¾ã™ã€‚ Haskell Platform ã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã™ã‚‹ æ˜”äººæ°—ã®ã‚ã£ãŸ Hugs ã¯ã€ã‚‚ã†ä¿å®ˆã•ã‚Œã¦ã„ã¾ã›ã‚“ã€‚ç¾åœ¨ã¯ã€GHC ã®æ™‚ä»£ã§ã™ã€‚GHC ã¨ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚’ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸åŒ–ã—ãŸ Haskell Platform ã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ã¦ä¸‹ã•ã„ã€‚ ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ—ãƒªã‚¿ãŒä½¿ã„ãŸã„å ´åˆã¯ã€ä»˜ã„ã¦ãã‚‹ ghci ã‚’ä½¿ã„ã¾ã™ã€‚ ã‚³ãƒ³ãƒ‘ã‚¤ãƒ© -- ghc ã‚¤ãƒ³ã‚¿ãƒ—ãƒªã‚¿ -- ghci ã‚¹ã‚¯ãƒªãƒ—ãƒˆ -- runghc GHC ãƒžãƒ‹ãƒ¥ã‚¢ãƒ«ã®æ—¥æœ¬èªžè¨³ã‚‚ã‚ã‚Šã¾ã™ã€‚ ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°Haskell æ¬¡ã«ã€ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°Haskellã‚’èªã‚“ã§é–¢æ•°ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã®ã€Œã“ã“ã‚ã€ã‚’ç†è§£ã—ã¾ã—ã‚‡ã†ã€‚ ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°Haskell ä½œè€…: Graham Hutton,å±±æœ¬å’Œå½¦å‡ºç‰ˆç¤¾/ãƒ¡ãƒ¼
daisuke-m 2011/05/24
Haskell
ãƒªãƒ³ã‚¯
ã¯ã˜ã‚ã¦ã®Haskellã‚ã‚‚ - shokosãƒ–ãƒã‚°
Haskellã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«æ–¹æ³•ã¨æœ€åˆã®ãƒ—ãƒã‚°ãƒ©ãƒ forMacï¼ˆé›ªè±¹ï¼‰ Haskell Platformã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ã¾ã™ã€‚ Download Haskell ã‘ã£ã“ã†æ™‚é–“ã‹ã‹ã‚Šã¾ã—ãŸã€‚ ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«çµ‚ã‚ã£ãŸã‚‰ã€ã‚¿ãƒ¼ãƒŸãƒŠãƒ«ã§ã€€GHCi ã‚’èµ·å‹•ã—ã¦ã¿ã‚ˆã†ï¼ ã“ã‚“ãªæ„Ÿã˜ã§è‰²ã€…è©¦ã›ã¾ã™ã€‚ ã‚³ãƒžãƒ³ãƒ‰ã¯å‰ã« : ã‚’ã¤ã‘ã‚‹ã¿ãŸã„ã€‚ GHCiã‚’çµ‚äº†ã™ã‚‹æ™‚ã¯ã€ã€Œ:quitã€ã ã£ãŸã‚Šã€‚ ã“ã®ã‚µã‚¤ãƒˆã®ã‚³ãƒžãƒ³ãƒ‰é›†ãŒã‚ã‹ã‚Šã‚„ã™ã„ï¼ 2.7. GHCiã®ã‚³ãƒžãƒ³ãƒ‰ç¾¤ æ¬¡ã«Hello Worldã‚’å®Ÿè¡Œã—ã¦ã¿ã‚‹ã€‚ GHCiã‚’çµ‚äº†ã—ã¦é©å½“ã«ã‚¨ãƒ‡ã‚£ã‚¿èµ·å‹•ã™ã‚‹ã€‚ main :: IO () main = putStrLn "Hello world" hello.hs æ¬¡ã«ã‚³ãƒ³ãƒ‘ã‚¤ãƒ« ghc hello.hslsã™ã‚‹ã¨ã€hello.hsã®ä»–ã«ã€ helloã€hello.hiã€hello.o ãŒã§ãã¦ã„ã‚‹ã¯ãšã§ã™ã€‚ ã“ã‚Œã§hel
daisuke-m 2011/03/21
Haskell
ãƒªãƒ³ã‚¯
æ±ã®éš£äººã®ãƒ–ãƒã‚°ã‚’æ„›ã›ã‚ˆ | LOVELOG
au one netã®ãƒ–ãƒã‚°ã‚µãƒ¼ãƒ“ã‚¹ ã€ŽLOVELOGã€ã¯2014å¹´6æœˆ30æ—¥ã‚’ã‚‚ã¡ã¾ã—ã¦æä¾›ã‚’çµ‚äº†è‡´ã—ã¾ã—ãŸã€‚ æ°¸ã‚‰ãã®ã”åˆ©ç”¨ã€èª ã«ã‚ã‚ŠãŒã¨ã†ã”ã–ã„ã¾ã—ãŸã€‚ å¼•ãç¶šãau one netã‚’ã”æ„›é¡§ã„ãŸã ãã¾ã™ã‚ˆã†ã€ã‚ˆã‚ã—ããŠé¡˜ã„ç”³ã—ä¸Šã’ã¾ã™ã€‚ â€»ãŠæ‰‹æ•°ã§ã¯ã”ã–ã„ã¾ã™ãŒã€æ–°ãƒ–ãƒã‚°ã«ã¦é–²è¦§ã®çš†ã•ã¾å‘ã‘ã«ãƒ–ãƒã‚°URLå¤‰æ›´ç‰ã‚’ã”å‘¨çŸ¥ã„ãŸã ã‘ã¾ã™ã‚ˆã†ã€ãŠé¡˜ã„ç”³ã—ä¸Šã’ã¾ã™ã€‚
daisuke-m 2010/12/22
Haskell
ãƒªãƒ³ã‚¯
Haskell ã®ãƒªã‚¹ãƒˆã¨é…å»¶è©•ä¾¡ãŒå°‘ã—åˆ†ã‹ã£ãŸ - ITæˆ¦è¨˜
ã„ã‚ã„ã‚è©¦è¡ŒéŒ¯èª¤ã‚’ã—ã¦ã„ã¦ JavaScript ã®é–¢æ•°ã‚’ä½œã£ã¦å‘¼ã³å‡ºã™ã®ã¨ Haskell ã®ãã‚Œã¨ã®æ±ºå®šçš„ãªé•ã„ã‚’è¦‹ã¤ã‘ãŸã€‚ ãã‚Œã¯ã€ãŸã¶ã‚“ã‚‚ã®ã™ã£ã”ã„å˜ç´”ã§å½“ãŸã‚Šå‰ãªã“ã¨ã ã‘ã©ã€ã“ã‚ŒãŒåˆ†ã‹ã£ãŸã¨ãŸã‚“ã«åƒ•ã®å‘¨ã‚Šã®ãƒ”ãƒ¼ã‚¹ãŒä¸€æ°—ã«ç¹‹ãŒã£ãŸã®ã§ã€æ¥ã‚’ã—ã®ã‚“ã§æ›¸ãã€‚ åƒ•ã¯ä»¥ä¸‹ã®ã‚ˆã†ã«è„³å†…å¤‰æ›ã—ã¦ã„ã¦ Haskell a = 1 iszero i = if (i == 0) then True else False Javascript a = function() { return 1 } iszero = function(i) { return i()/*è©•ä¾¡ã¯é–¢æ•°å‘¼å‡ºã—*/ == 0 ? True : False } // True False ã¯ã“ã† True = function() { return true } False = function() { return false
daisuke-m 2010/11/24
ãŠãƒ¼ã€‚ãã†ã„ã†è¨€èªžãªã‚“ã ã€‚ä¿ºä»Šæ›´ã ã‘ã©ãªã‚‹ã»ã©ã€‚

Haskell
ãƒªãƒ³ã‚¯
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