[B! Scala] tumo300-500ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

tumo300-500 id:tumo300-500

Scalaã«é–¢ã™ã‚‹tumo300-500ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (6)

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Obj-C â†’ Swift ã‚³ãƒ³ãƒãƒ¼ã‚¿ã‚’ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã§å…¬é–‹ã—ã¾ã—ãŸï¼
ãƒ¤ãƒ•ãƒ¼æ ªå¼ä¼šç¤¾ã¯ã€2023å¹´10æœˆ1æ—¥ã«LINEãƒ¤ãƒ•ãƒ¼æ ªå¼ä¼šç¤¾ã«ãªã‚Šã¾ã—ãŸã€‚LINEãƒ¤ãƒ•ãƒ¼æ ªå¼ä¼šç¤¾ã®æ–°ã—ã„ãƒ–ãƒã‚°ã¯ã“ã¡ã‚‰ã§ã™ã€‚LINEãƒ¤ãƒ•ãƒ¼ Tech Blog ã©ã†ã‚‚ã€ãƒ¤ãƒ•ãƒ¼ã®ä½é‡Žï¼ˆ @taketo1024 ï¼‰ã§ã™ã€‚å…ˆæ—¥å¼•ã£è¶Šã—ã‚’ã—ã¾ã—ã¦ã€å¼µã‚Šåˆ‡ã£ã¦è‡ªåˆ†ã§ã‚¿ãƒ³ã‚¹ã‚’é‹ã‚“ã ã‚Šã—ã¦ä»Šã¨ã¦ã‚‚ç‹è‚‰ç—›ã§ã™ã€‚ çš†ã•ã‚“ã¯ Objective-C ã‹ã‚‰ Swift ã¸ã®ç§»è¡Œã¯é€²ã‚“ã§ã„ã¾ã™ã‹ï¼Ÿå¼Šç¤¾ã§ã¯ã¾ã Obj-C ã§æ›¸ã‹ã‚Œã¦ã„ã‚‹ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã¯å¤šãã‚ã‚Šã¾ã™ã€‚ä¸–ã«å‡ºã¦ã„ã‚‹ iOS ã‚¢ãƒ—ãƒªã‚‚å¤šãã¯ã¾ã Obj-C ã§ä½œã‚‰ã‚Œã¦ã„ã‚‹ã‚“ã˜ã‚ƒãªã„ã‹ã¨æ€ã„ã¾ã™ã€‚ Swift ã‚‚ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹åŒ–ã•ã‚Œã€ã“ã®å…ˆãã®é€²åŒ–ã®ã‚¹ãƒ”ãƒ¼ãƒ‰ã¯ã•ã‚‰ã«å¢—ã—ã¦ãã‚‹ã¯ãšã§ã™ã€‚ãã“ã§ãƒãƒ¼ãƒ å†…ã§é–‹ç™ºã‚’é€²ã‚ã¦ã„ãŸ Obj-C â†’ Swift ã‚³ãƒ³ãƒãƒ¼ã‚¿ ã‚’å¤§å¹…ã«æ”¹è‰¯ã—ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã§å…¬é–‹ã™ã‚‹ã“ã¨ã«ã—ã¾ã—ãŸï¼ã“ã®è¨˜äº‹ã§ã¯ãã®å°Žå…¥ã¨æ´»ç”¨ã®æ–¹æ³•ã‚’èª¬æ˜Žã—ã¾ã™
tumo300-500 2015/12/22
objective-c

scala

Swift
ãƒªãƒ³ã‚¯
ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã®ãƒ‘ãƒ©ãƒ€ã‚¤ãƒ ã‚·ãƒ•ãƒˆï¼ˆãƒ€ã‚¤ã‚¸ã‚§ã‚¹ãƒˆï¼‰ãƒ¼Scalaã‹ã‚‰è¦‹ã‚‹é–¢æ•°åž‹ã¨ä¸¦åˆ—æ€§æ™‚ä»£ã®å¹•é–‹ã‘ãƒ¼
19. "Future" must { import scala.concurrent.ExecutionContext.Implicits.global "map and flatMap" in { val futureMessage = Future { Thread.sleep(1000); 1 }.flatMap(value => Future { Thread.sleep(1000); value + 1 }).map(s => s"This is a value of future after $s seconds") Await.result(futureMessage, 5 seconds) must be("This is a value of future after 2 seconds") } "for comprehension" in { val futureMe
tumo300-500 2015/06/28
Scala

ä¸¦åˆ—å‡¦ç†
ãƒªãƒ³ã‚¯
Effective Scala
Effective Scala Marius Eriksen, Twitter Inc. marius@twitter.com (@marius) [translated by Yuta Okamoto (@okapies) and Satoshi Kobayashi (@scova0731)] Table of Contents åºç« æ›¸å¼: ãƒ›ãƒ¯ã‚¤ãƒˆã‚¹ãƒšãƒ¼ã‚¹, å‘½å, ã‚¤ãƒ³ãƒãƒ¼ãƒˆ, ä¸ã‚«ãƒƒã‚³, ãƒ‘ã‚¿ãƒ¼ãƒ³ãƒžãƒƒãƒ, ã‚³ãƒ¡ãƒ³ãƒˆ åž‹ã¨ã‚¸ã‚§ãƒãƒªã‚¯ã‚¹: æˆ»ã‚Šåž‹ã‚¢ãƒŽãƒ†ãƒ¼ã‚·ãƒ§ãƒ³, å¤‰ä½, åž‹ã‚¨ã‚¤ãƒªã‚¢ã‚¹, æš—é»™ ã‚³ãƒ¬ã‚¯ã‚·ãƒ§ãƒ³: éšŽå±¤, ä½¿ã†, ã‚¹ã‚¿ã‚¤ãƒ«, æ€§èƒ½, Java ã‚³ãƒ¬ã‚¯ã‚·ãƒ§ãƒ³ ä¸¦è¡Œæ€§: Future, ã‚³ãƒ¬ã‚¯ã‚·ãƒ§ãƒ³ åˆ¶å¾¡æ§‹é€ : å†å¸°, Return, forãƒ«ãƒ¼ãƒ—ã¨å†…åŒ…, require ã¨ assert é–¢æ•°åž‹ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°: ä»£æ•°çš„ãƒ‡ãƒ¼ã‚¿åž‹ã¨ã—ã¦ã®ã‚±ãƒ¼ã‚¹ã‚¯ãƒ©ã‚¹, Option, ãƒ‘ã‚¿ãƒ¼ãƒ³ãƒž
tumo300-500 2015/05/13
Scala
ãƒªãƒ³ã‚¯
Scala ã® implicit parameter ã¯åž‹ã‚¯ãƒ©ã‚¹ã®ä¸€ç¨®ã¨ã¯ã©ã†ã„ã†ã“ã¨ãªã®ã‹ - çŒ«åž‹ã®è“„éŸ³æ©Ÿã¯ 1 åˆ†é–“ã« 45 å›žã«ã‚ƒã‚ã¨é³´ã
ãªã‚“ã‹åž‹ã‚¯ãƒ©ã‚¹ã¨ã‹è¨€ã†ã¨åž‹ã®æ€–ã„ã²ã¨ãŸã¡ãŒæ€–ã„è©±ã‚’ãƒ¯ã‚¤ãƒ¯ã‚¤ã—ã¦ã‚‹ã‚¤ãƒ¡ãƒ¼ã‚¸ãŒã‚ã‚Šã¾ã™ã‚ˆãã€‚ã‚ãŸã—ã¯ã‚ã‚Šã¾ã™ã€‚ã€Œã§ã€ãã‚Œã£ã¦ä½•ãŒã†ã‚Œã—ã„ã®ã‚ˆã€ã¨ã‹ã€ãã†ã„ã†è©±ã¯ã‚ã¾ã‚Šã•ã‚Œã¦ã„ãªã„ã‚ˆã†ãªå°è±¡ãŒã‚ã‚Šã¾ã™ãï¼ˆã‚ãã¾ã§å°è±¡ã§ã™ï¼‰ã€‚ãã®ä¸Š "Scala ã® implicit parameter ã¯åž‹ã‚¯ãƒ©ã‚¹ã®ä¸€ç¨®" ã¨ã‹è¨€ã‚ã‚Œã‚‹ã¨ã€Œæš—é»™çš„ãªå¼•æ•°ãŒãªã‚“ã§åž‹ã‚¯ãƒ©ã‚¹ã®ä¸€ç¨®ãªã‚“ã‚„ï¼ï¼ï¼æ„å‘³ãŒã‚ã‹ã‚‰ã‚“ï¼ï¼ï¼ï¼ã€ã¨ãªã‚Šã¾ã™ã€‚ã‚ãŸã—ã¯ãªã‚Šã¾ã—ãŸã€‚ ã¨ã„ã†ã‚ã‘ã§ãã®ã¸ã‚“ã«ã¤ã„ã¦å‹‰å¼·ã—ãŸã®ã§æ›¸ãã¾ã™ã€‚ ãã‚‚ãã‚‚åž‹ã‚¯ãƒ©ã‚¹ã£ã¦ãªã‚“ã‚„ Haskellã¨ã‹ã«ã‚ã‚‹ã‚„ã¤ã§ã™ãã€‚ã‚¢ãƒ‰ãƒ›ãƒƒã‚¯å¤šç›¸ã‚’å®Ÿç¾ã™ã‚‹ã‚‚ã®ã€ã‚‰ã—ã„ã§ã™ã€‚ã™ã”ã„ã€ã„ããªã‚Šæ„å‘³ãŒã‚ã‹ã‚‰ãªã„ã€‚ ã¨ã„ã†ã‚ã‘ã§ã€ã¾ãšã¯ã€Œã‚¢ãƒ‰ãƒ›ãƒƒã‚¯å¤šç›¸ã£ã¦ãªã‚“ãªã®ã€ã¨ã„ã†è©±ã‹ã‚‰ã—ã¦è¡Œãã¾ã™ã€‚ ã•ã¦ã€ã¾ãšã¯ã€Œå¤šç›¸ã€ã‹ã‚‰è¡Œãã¾ã—ã‚‡ã†ã€‚ã“ã®æ–‡è„ˆã§è¨€ã†å¤šç›¸ã¨ã¯ã€ç°¡å˜ã«è¨€ãˆã°ã€Œå¼•æ•°ã«ã„ã‚ã‚“ãªåž‹ã‚’å–ã‚Œã‚‹ã€ã¨ã„
tumo300-500 2014/07/01
ãŠãã‚ã—ãã‚ã‹ã‚Šã‚„ã™ã„

haskell

Scala
ãƒªãƒ³ã‚¯
GitHub - scala/scala-async: An asynchronous programming facility for Scala
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tumo300-500 2013/06/13
scala

async
ãƒªãƒ³ã‚¯
åœè«–ã¨ã‹ãƒ¢ãƒŠãƒ‰ãªã‚“ã¦ç°¡å˜ã ã‹ã‚‰scalaã‚’ä½¿ã£ã¦èª¬æ˜Žã—ã¦ã¿ãŸ - ã ã‚‰ã ã‚‰ã—ã¦ãŸã„ãªã
ã¯ã˜ã‚ã« é–¢æ•°åž‹ã¨ã„ãˆã°ãƒ¢ãƒŠãƒ‰ã€ãƒ¢ãƒŠãƒ‰ã¨ã„ãˆã°é›£ã—ã„ã¨ã„ã†äº‹ãŒå··ã§è¨€ã‚ã‚Œã¦ã„ã¾ã™ãŒã€ã„ããªã‚Šãƒ¢ãƒŠãƒ‰ã‚’ç†è§£ã—ã‚ˆã†ã¨ã™ã‚‹ã‹ã‚‰é›£ã—ãæ€ãˆã‚‹ã ã‘ã§ã€åœè«–ã‹ã‚‰é †åºã‚’è¿½ã£ã¦ç†è§£ã—ã¦ã„ã‘ã°å…¨ç„¶é›£ã—ãç„¡ã„ã‚“ã ã‚ˆã£ã¦äº‹ã‚’åˆ†ã‹ã£ã¦è²°ãˆã‚Œã°ã„ã„ãªãã¨æ€ã„æ›¸ã„ã¦è¦‹ã‚‹ã“ã¨ã«ã—ã¾ã—ãŸã€‚ ãŸã ã€åœè«–ã¨ã„ã£ã¦ã‚‚é©ç”¨ç¯„å›²ãŒã¨ã£ã¦ã‚‚åºƒãã€å¿œç”¨ç·¨ã«ãªã‚‹ã¨åˆ†ã‘ã‚ã‹ã‚“ãªããªã£ã¦ãã‚‹ã®ã§ã€ã“ã“ã§ã¯ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°åˆ†é‡Žã«ç‰¹åŒ–ã—ãŸFP(functional programing)åœè«–*1ã«ã¤ã„ã¦æ›¸ãã¾ã™ã€‚ ã¾ãŸã€èª¬æ˜Žã‚’ç°¡å˜ã«ã™ã‚‹ç‚ºã«ç´°ã‹ã„éƒ¨åˆ†ã‚’ã„ã‚ã„ã‚çœç•¥ã—ã¦ã„ã¾ã™ã€‚å¦è¡“çš„ãªå®šç¾©ã¨ã—ã¦ã¯æ£ç¢ºã§ã¯ãªã„ã®ã§ã€ã“ã®ã‚¨ãƒ³ãƒˆãƒªã®èª¬æ˜Žã¯å¤§ä½“åˆã£ã¦ã‚‹ä½ã®æ°—æŒã¡ã§èªã‚“ã§ãã ã•ã„ãã€‚ å°šã€ã¼ãã¯åœè«–ã®è©³ã—ã„äº‹ã¯ã•ã£ã±ã‚Šåˆ†ã‹ã‚‰ãªã„ã®ã§ã€å¦å•çš„ãªè©±ã‚’æŒ¯ã‚‰ã‚Œã¦ã‚‚å›žç”ã§ãã¾ã›ã‚“ï½·ï¾˜ï½¯ åœã£ã¦ãªã‚“ãªã®ï¼Ÿ åœè«–ã¨è¨€ãˆã°ã€åœã§ã™ã€‚ åœã£ã¦ä½•ãªã®ã‹ã¨ã„ã†ã¨ã€å¯¾è±¡(obje
tumo300-500 2013/04/03
Scala

åœè«–

ãƒ¢ãƒŠãƒ‰
ãƒªãƒ³ã‚¯
1