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udzura id:udzura

exceptionã«é–¢ã™ã‚‹udzuraã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (6)

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Objective-Cã«ãŠã„ã¦ã¯ã€ã€ŒExceptionã¯å‡¦ç†ã™ã‚‹ãªã€ãŒé‰„å‰‡ã§ã™ã€‚ ã¤ã¾ã‚Šã€ ã€Œä¾‹å¤–ã‚’æŠ•ã’ã‚‹ã®ã¯è‡´å‘½çš„ãªå•é¡Œï¼ˆå¾©æ—§ä¸å¯èƒ½ãªå•é¡Œï¼‰ãŒç™ºç”Ÿã—ãŸã¨ãã®ã¿ã€ ã€Œä¾‹å¤–ã‚’å—ã‘å–ã£ãŸã‚‰ã‚¢ãƒ—ãƒªã‚’çµ‚äº†ã•ã›ã‚ã€ ã¨ã„ã†ãƒãƒªã‚·ãƒ¼ã§ã™ã€‚ ã“ã‚Œã¯ã€ãã‚‚ãã‚‚ä¾‹å¤–ã‚’å—ã‘å–ã£ã¦ã‚ãƒ£ãƒƒãƒå¥ã«ã‚¸ãƒ£ãƒ³ãƒ—ã™ã‚‹ã“ã¨è‡ªä½“ãŒã€ARCã«ã‚ˆã‚‹ãƒ¡ãƒ¢ãƒªç®¡ç†ã‚’å£Šã—ã¦ã—ã¾ã†ã“ã¨ã«èµ·å› ã—ã¦ã„ã¾ã™ã€‚ï¼ˆã¨ç†è§£ã—ã¦ã„ã¾ã™ã€‚ï¼‰ http://clang.llvm.org/docs/AutomaticReferenceCounting.html#exceptions By default in Objective C, ARC is not exception-safe for normal releases: ã¨ã“ã‚ã§ã€Swiftã§ã¯ã©ã†ã§ã—ã‚‡ã†ã‹ã€‚ Swiftã®ãƒªãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹ã‚’çœºã‚ã¦ã‚‚ã‚¨ãƒ©ãƒ¼ãƒãƒ³ãƒ‰ãƒªãƒ³ã‚°ã«é ãŒå‰²ã‹ã‚Œã¦ã„ã¾ã›ã‚“ã€‚ ä¸Šè¨˜ã®ãƒãƒªã‚·ãƒ¼
udzura 2014/10/10
exception

swift
ãƒªãƒ³ã‚¯
Big Sky :: golang ã§è¤‡æ•°ã®ã‚¨ãƒ©ãƒ¼ã‚’ãƒãƒ³ãƒ‰ãƒªãƒ³ã‚°ã™ã‚‹æ–¹æ³•
golangã„ã¾ã©ãä¾‹å¤–ãªã„ã®é ãŠã‹ã—ã„ã£ã¦æ€ã£ã¦ãŸã‘ã©ã‚ˆã†ã™ã‚‹ã«goroutineã¨ä¾‹å¤–ãŒã†ã¾ãã„ã‹ãªã„ã‹ã‚‰goroutineã®ã»ã†å–ã£ã¦ä¾‹å¤–æ¨ã¦ãŸã£ã¦ã“ã¨ã‹ããˆã€‚ â€” Urabe, Shyouhei (@shyouhei) April 15, 2014 FAQ ã«æ›¸ã„ã¦ã‚ã‚Šã¾ã™ã€‚ Why does Go not have exceptions? - Frequently Asked Questions (FAQ) - The Go Programming Language We believe that coupling exceptions to a control structure, as in the try-catch-finally idiom, results in convoluted code. It also tends to encourage programme
udzura 2014/04/18
golang

exception
ãƒªãƒ³ã‚¯
Rubyã§è‡ªå‰ã®ä¾‹å¤–ã‚¯ãƒ©ã‚¹ã‚’ä½œã‚‹ã¨ãExceptionã§ã¯ãªãStandardErrorã‚’ç¶™æ‰¿ã™ã‚‹ç†ç”± - yarbã®æ—¥è¨˜
Rubyã®ä¾‹å¤–ã«ã¤ã„ã¦å°‘ã—èª¿ã¹ãŸã®ã§ã€ã¾ã¨ã‚ã¦ã¿ã‚‹ã€‚ å¤šãã®ãƒ¢ãƒ€ãƒ³ãªè¨€èªžåŒæ§˜ã«Rubyã§ã¯ä¾‹å¤–å‡¦ç†æ©Ÿæ§‹ãŒçµ„ã¿è¾¼ã¾ã‚Œã¦ã„ã‚‹ã€‚ ãƒ•ã‚¡ã‚¤ãƒ«ã‚’é–‹ã“ã†ã¨æ€ã£ãŸã‚‰ãƒ•ã‚¡ã‚¤ãƒ«ãŒå˜åœ¨ã—ãªã‹ã£ãŸ ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯å…ˆã®ã‚µãƒ¼ãƒãŒåå¿œã—ãªãã¦ã‚¿ã‚¤ãƒ ã‚¢ã‚¦ãƒˆã—ãŸ å®šç¾©ã•ã‚Œã¦ã„ãªã„ï¼ˆå˜åœ¨ã—ãªã„ï¼‰ãƒ¡ã‚½ãƒƒãƒ‰ã‚’å‘¼ã‚“ã 0ã§å‰²ã‚Šç®—ã‚’ã—ã¦ã—ã¾ã£ãŸ ãªã©æƒ³å®šå¤–ã®å•é¡Œã«éé‡ã—ãŸã¨ãã«ã€ãã®å•é¡Œã‚’ç„¡è¦–ã›ãšãƒ—ãƒã‚°ãƒ©ãƒžãŒä½•ã‚‰ã‹ã®å¯¾å¿œå‡¦ç†ã‚’ã™ã‚‹ãŸã‚ã®æž çµ„ã¿ã‚’æä¾›ã™ã‚‹ã€‚ Cè¨€èªžãªã©å¤ã„è¨€èªžã§ã¯ã€é–¢æ•°ã‹ã‚‰ã®æˆ»ã‚Šå€¤ã§ã‚¨ãƒ©ãƒ¼ã‚³ãƒ¼ãƒ‰ã‚’è¿”ã—ã€ãã‚Œã«ã‚ˆã£ã¦å‘¼ã³å‡ºã—å´ãŒã‚¨ãƒ©ãƒ¼å‡¦ç†ã‚’ãã®å ´ã§è¨˜è¿°ã™ã‚‹ã€‚ä¾‹ãˆã°ã€fopen(3)ãŒå¤±æ•—ã™ã‚‹ã¨æˆ»ã‚Šå€¤ã¨ã—ã¦NULLãŒæˆ»ã£ã¦ãã¦ã‚°ãƒãƒ¼ãƒãƒ«å¤‰æ•°ã®errnoã«å¤±æ•—ã®ç†ç”±ã‚’ç¤ºã™ã‚¨ãƒ©ãƒ¼ã‚³ãƒ¼ãƒ‰ãŒè¨å®šã•ã‚Œã‚‹ã€‚ #include <stdio.h> #include <string.h> #include <errno.h> int ma
udzura 2012/10/15
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ruby

exception
ãƒªãƒ³ã‚¯
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udzura 2012/07/25
ukeru

overflow

exception

programming
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bypass rescue - Controller specs - RSpec Rails - RSpec - Relish
udzura 2012/03/14
rails

rspec

exception
ãƒªãƒ³ã‚¯
Throwableã«ã¤ã„ã¦æœ¬æ°—å‡ºã—ã¦è€ƒãˆã¦ã¿ãŸ - éƒ½å…ƒãƒ€ã‚¤ã‚¹ã‚± IT-PRESS
Throwableã€Exceptionã€RuntimeException(RTE)ã€Errorã‚ãŸã‚Šã‚’æ•´ç†ã—ãªãŒã‚‰ã€è‰²ã€…è€ƒãˆã¦ã¿ãŸã€‚ç§è¦‹ã«åŸºã¥ãã®ã§ã€é–“é•ã£ã¦ã„ã‚‹ã‹ã‚‚ã—ã‚Œãªã„ã‘ã‚Œã©ã€è‡ªåˆ†ã¨ã—ã¦ã¯é ãŒæ•´ç†ã§ããŸã‹ãªã€ã¨æ„Ÿã˜ãŸã®ã§æ™’ã—ã¦ã¿ã‚‹ã€‚ç•°è«–ãŒã‚ã£ãŸã‚‰ã‚³ãƒ¡ãƒ³ãƒˆãã ã•ã„ã€‚ ã¾ãšã€ä¸€ç•ªåŸºç¤Žçš„ãªã¨ã“ã‚ã§ã€ç¶™æ‰¿é–¢ä¿‚ã®æ•´ç†ã‹ã‚‰ã€‚ã“ã‚“ãªãƒ„ãƒªãƒ¼ã«ãªã£ã¦ã„ã¾ã™ã€‚ Throwable Error Exception RuntimeException ãã—ã¦ã€æœ¬ç¨¿ã§ã®ç”¨èªžã®å®šç¾©ã€‚callerï¼å‘¼å‡ºã™å´ã®ã‚³ãƒ¼ãƒ‰ calleeï¼å‘¼å‡ºã•ã‚Œã‚‹å´ï¼ˆthrowã™ã‚‹å´ï¼‰ã®ã‚³ãƒ¼ãƒ‰ã¨ã—ã¾ã™ã€‚ Throwable Throwableã¯ã€Œthrowæ–‡ã«æŒ‡å®šã§ãã‚‹ä½•ã‹ã€ã¨ã„ã†æ„å‘³ã§ã™ãã€‚ Instances of two subclasses, Error and Exception, are conventionally used
udzura 2012/01/18
java

exception

design
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