[B! functional] ryskosnã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

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functionalã«é–¢ã™ã‚‹ryskosnã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (39)

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Scala ã® IntelliJ é–‹ç™ºç’°å¢ƒã‚’ macOS ä¸Šã«æ§‹ç¯‰ã™ã‚‹
ã€Œãªã£ã¨ãï¼é–¢æ•°åž‹ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã€ã‚’å†™çµŒã—ãŸãã¦ã€10 å¹´ã¶ã‚Šãã‚‰ã„ã« Java ã®ç’°å¢ƒã‚’ä½œã‚‹å¿…è¦ãŒã‚ã‚Šã¾ã—ãŸã€‚ æ—¢å˜ã® Java ã®ã‚¢ãƒ³ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« $ /usr/libexec/java_home -V Matching Java Virtual Machines (1): 17.0.6 (arm64) "Oracle Corporation" - "Java SE 17.0.6" /Library/Java/JavaVirtualMachines/jdk-17.jdk/Contents/Home /Library/Java/JavaVirtualMachines/jdk-17.jdk/Contents/Home
ryskosn 2024/11/04
functional

Scala
ãƒªãƒ³ã‚¯
Functors, Applicatives, And Monads In Pictures - adit.io
Written April 17, 2013 updated: May 20, 2013 Here's a simple value: And we know how to apply a function to this value: Simple enough. Lets extend this by saying that any value can be in a context. For now you can think of a context as a box that you can put a value in: Now when you apply a function to this value, you'll get different results depending on the context. This is the idea that Functors
ryskosn 2024/10/05
functional

programming
ãƒªãƒ³ã‚¯
Walk around functional web frontend programming
https://opt.connpass.com/event/222709/
ryskosn 2024/05/01
functional

programming

F#

OCaml

Elm
ãƒªãƒ³ã‚¯
é–¢æ•°åž‹ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªž"Clojure"ãŒã€Œç§ãŸã¡ã€ã¨ã€Œã‚ãªãŸã€ã«ã‚‚ãŸã‚‰ã™ã‚‚ã® | æ ªå¼ä¼šç¤¾AGE technologies
ã“ã‚“ã«ã¡ã¯ã€æ ªå¼ä¼šç¤¾AGE techno logies CTOã®é»’å·ã§ã™ã€‚ ã“ã®è¨˜äº‹ã§ã¯ã€ç§ãŸã¡ãŒã‚·ã‚¹ãƒ†ãƒ é–‹ç™ºã®ã»ã¨ã‚“ã©å…¨ã¦ã®å ´é¢ã§ä½¿ç”¨ã—ã¦ã„ã‚‹Clojureï¼ˆã‚¯ãƒãƒ¼ã‚¸ãƒ£ãƒ¼ï¼‰ã¨ã„ã†è¨€èªžã«ã¤ã„ã¦ç´¹ä»‹ã—ã¾ã™ã€‚å¤§ããä¸‹è¨˜ã®3ç‚¹ã‚’ãƒˆãƒ”ãƒƒã‚¯ã¨ã—ã¦ã€å¼Šç¤¾ã®ãƒ†ã‚¯ãƒŽãƒã‚¸ãƒ¼ã‚¹ã‚¿ãƒƒã‚¯ã«ç†è§£ã‚’æ·±ã‚ã¦ã„ãŸã ãã“ã¨ã‚’ç›®æŒ‡ã—ã¾ã™ã€‚ ãªãœClojureã‚’é¸å®šã—ãŸã®ã‹ / ClojureãŒã€Œç§ãŸã¡ã€ã«ã‚‚ãŸã‚‰ã™ã‚‚ã®ClojureãŒã€Œã‚ãªãŸã€ã«ã‚‚ãŸã‚‰ã™ã‚‚ã®æœªçµŒé¨“ã®ãƒãƒ¼ãƒ ãƒ¡ãƒ³ãƒãƒ¼ãŒã©ã†ã‚„ã£ã¦é©å¿œã—ã¦ã„ã£ãŸã‹å‰æç§ã¯ã€ç¾ä»£ã®ã‚·ã‚¹ãƒ†ãƒ é–‹ç™ºã®ãƒ¦ãƒ¼ã‚¹ã‚±ãƒ¼ã‚¹ã«ãŠã„ã¦ã€ç‰¹å®šã®è¨€èªžã§ãªã‘ã‚Œã°å®Ÿç¾ã§ããªã„æ©Ÿèƒ½ã¯ã»ã¨ã‚“ã©å˜åœ¨ã—ãªã„ã¨è€ƒãˆã¦ã„ã¾ã™ã€‚ã¨ã¯ã„ãˆã€ã€Œã˜ã‚ƒã‚COBOLã§ã‚‚ã„ã„ã‚ˆãã€ã¨ã„ã£ãŸæ¥µè«–ã¯å¿…ãšã—ã‚‚ãƒ™ã‚¿ãƒ¼ãªè§£æ±ºæ–¹æ³•ã§ã¯ãªãã€é¸å®šã™ã‚‹æŠ€è¡“ã«å¿œã˜ãŸãƒˆãƒ¬ãƒ¼ãƒ‰ã‚ªãƒ•ã¯ç†è§£ã—ã¦ãŠãå¿…è¦ãŒã‚ã‚Šã¾ã™ã€‚ ã“ã®å‰æã«åŸºã¥ã„ã¦ã€æœ¬è¨˜äº‹ã§ã¯ç§ãŸã¡ã®æŠ€è¡“ã‚¹ã‚¿ãƒƒã‚¯
ryskosn 2023/11/12
functional

Clojure
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é–¢æ•°åž‹ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã¨åž‹ã‚·ã‚¹ãƒ†ãƒ ã®ãƒ¡ãƒ³ã‚¿ãƒ«ãƒ¢ãƒ‡ãƒ«
Qiita Conference 2023 Autumun ã§ã®ç™ºè¡¨è³‡æ–™ã§ã™ ç™ºè¡¨æ™‚é–“ã®è¦‹ç©ã‚‚ã‚ŠãŒä¸‹æ‰‹ã§å¾ŒåŠå…¨ç„¶èª¬æ˜Žã§ãã¾ã›ã‚“ã§ã—ãŸã€ã™ã¿ã¾ã›ã‚“ï¼ å®Ÿéš›ã®ãƒ—ãƒãƒ€ã‚¯ãƒˆé–‹ç™ºã§ã¯ã©ã†ã™ã‚Œã°ã„ã„ã®ã‹? ã¨ã„ã†ã‚±ãƒ¼ã‚¹ã¯ä»¥ä¸‹ã®ã‚¹ãƒ©ã‚¤ãƒ‰ã‚’å‚ç…§ã—ã¦ãã ã•ã„ã€‚ (æœ¬ã‚¹ãƒ©ã‚¤ãƒ‰ã¯ã€ã“ã¡ã‚‰ã®ãƒ—ãƒãƒ€ã‚¯ãƒˆé–‹ç™ºã®çµŒé¨“ã‚’â€¦
ryskosn 2023/10/26
functional

programming
ãƒªãƒ³ã‚¯
recursion-drill/README.md at main Â· kazu-yamamoto/recursion-drill
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ryskosn 2021/12/10
programming

functional

Haskell
ãƒªãƒ³ã‚¯
é–¢æ•°åž‹ã¯ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã‚¹ã‚¿ã‚¤ãƒ«
ã€Œé–¢æ•°åž‹ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã¯é–¢æ•°åž‹è¨€èªžã˜ã‚ƒãªã„ã¨ã§ããªã„ã‚“ã§ã—ã‚‡ï¼Ÿã€ã¨ã„ã†è³ªå•ã‚’ãŸã¾ã«å—ã‘ã¾ã™ã€‚ç”ãˆã¯ã€Œã„ã„ãˆã€ã§ã™ã€‚ã‚‚ã¡ã‚ã‚“ã€è¨€èªžã®ã‚µãƒãƒ¼ãƒˆã¯ã‚ã‚Œã°è¶Šã—ãŸã“ã¨ã¯ãªã„ã§ã™ã€‚ ãã‚‚ãã‚‚å‘½ä»¤åž‹åŠã³é–¢æ•°åž‹ã¯ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã‚¹ã‚¿ã‚¤ãƒ«ã§ã™ã€‚ãã—ã¦ã€å‘½ä»¤åž‹ã¨é–¢æ•°åž‹ã®é–“ã¯0/1ã§ã¯ãªãã€ã‚°ãƒ©ãƒ‡ãƒ¼ã‚·ãƒ§ãƒ³ãŒã‚ã‚Šã¾ã™ã€‚ ãªã®ã§ã€é–¢æ•°åž‹ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã¯é–¢æ•°åž‹è¨€èªžä»¥å¤–ã§ã‚‚ä½¿ãˆã¾ã™ã—ã€ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’ã‚ˆã„è¨è¨ˆã¸å°Žãè€ƒãˆæ–¹ã§ã™ã‚ˆã€ã¨ã„ã†ã®ãŒã“ã®è¨˜äº‹ã®ä¸»å¼µã§ã™ã€‚ã‚³ãƒ¼ãƒ‰ä¾‹ã‚‚äº¤ãˆã¦èª¬æ˜Žã—ã¦ã¿ã¾ã™ã€‚ é–¢æ•°åž‹ã¸ã®ã‚¢ãƒ—ãƒãƒ¼ãƒ ãƒã‚¸ãƒƒã‚¯ã‚’æ›¸ãã¨ã å¯å¤‰ã®å¤‰æ•°(var)ã‚’ä½¿ã‚ãšã€ä¸å¤‰ã®å¤‰æ•°(val)ã‚’ä½¿ã† å¯å¤‰ã®ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆ(mutable)ã‚’ä½¿ã‚ãšã€ä¸å¤‰ã®ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆ(immutable)ã‚’ä½¿ã† voidã‚„Unitãªã©ã®æˆ»ã‚Šå€¤ã®ãªã„é–¢æ•°ã¯ä½¿ã‚ãšã€æˆ»ã‚Šå€¤ã‚’è¿”ã™(é«˜éšŽ)é–¢æ•°ã‚’ä½¿ã† é–¢æ•°ã‚’å®šç¾©ã™ã‚‹ã¨ã å‚ç…§é€æ˜Žãªé–¢æ•°ã‚’å®šç¾©ã™ã‚‹ å¿…ãšæ„å‘³ã®ã‚ã‚‹æˆ»ã‚Š
ryskosn 2021/12/08
programming

functional
ãƒªãƒ³ã‚¯
https://ubiteku.oinker.me/2016/01/20/%E9%96%A2%E6%95%B0%E5%9E%8B%E3%81%A4%E3%81%BE%E3%81%BF%E9%A3%9F%E3%81%84-%E3%83%A2%E3%83%8A%E3%83%89%E3%81%8C%E9%9B%A3%E3%81%97%E3%81%84%E3%81%A8%E6%80%9D%E3%82%8F%E3%82%8C%E3%81%A6%E3%81%84%E3%82%8B/
ryskosn 2021/12/07
functional
ãƒªãƒ³ã‚¯
ã€ŒADT, ç›´å’Œãƒ»ç›´ç©, State Machineã€ - Qiita
(ã‚¿ã‚¤ãƒˆãƒ«å—ä½™ã‚Š) ã“ã®è¨˜äº‹ã¯ç†è€…ãŒç¤¾å†…å‹‰å¼·ä¼šã§ç™ºè¡¨ã—ãŸå†…å®¹ã‚’(å€‹äººçš„ã«å‡ºæ¥ãŒè‰¯ã„ã¨æ€ã£ãŸã®ã§)å¤–éƒ¨å‘ã‘ã«å†æ§‹æˆã—ãŸã‚‚ã®ã§ã™ã€‚(å¤§å¤‰é•·ããªã£ã¦ã—ã¾ã£ãŸ) çŠ¶æ³ãã®1 ã„ããªã‚Šä»¥ä¸‹ã®ã‚³ãƒ¼ãƒ‰ã‚’ã”è¦§ãã ã•ã„ã€‚ type Contact = { Name: PersonalName; Em ailContactInfo: Em ailContactInfo option; PostalContactInfo: PostalContactInfo option; } ãã—ã¦ä»¥ä¸‹ã®ä»•æ§˜ã‚’ã”ç¢ºèªãã ã•ã„ã€‚ Business Rule: â€œA contact must have an em ail or a postal addressâ€ å‡ºå…¸ã¨å‹•æ©Ÿã€èª²é¡Œ ä¸ŠæŽ²ã‚³ãƒ¼ãƒ‰åŠã³ä»•æ§˜ã¯Designing with types: Making illegal states unrepresentable | F# for
ryskosn 2021/09/12
functional

F#

Elm

programming

ã‚ã¨ã§èªã‚€
ãƒªãƒ³ã‚¯
Understanding map and apply Â· F# for Fun and Profit
ryskosn 2021/08/29
programming

functional

F#
ãƒªãƒ³ã‚¯
ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžè«–å…¥é–€ - riswuâ€™s blog
ç¬¬0ç« . ãªãœ Scala ã‚’ä½¿ã†ã®ã‹ï¼Ÿ ã¯ã˜ã‚ã« æœ¬ç¨¿ã¯ã€John C. Mitchell æ°ã‚‰ã«ã‚ˆã‚‹ Concepts in Programming Languages ã‚’åŸºã«è‡ªèº«ã®è¦‹è§£ã‚’äº¤ãˆã€ç§ãŒãªãœ Scala ã‚’å¥½ã‚“ã§ä½¿ã†ã®ã‹ã‚’è«–ã˜ãŸè¨˜äº‹ã«ãªã‚Šã¾ã™ã€‚ ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã®æ´å² æœ¬é¡Œã«å…¥ã‚‹å‰ã«ã€ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã®æ´å²ã«ã¤ã„ã¦ç´¹ä»‹ã—ã¾ã™ã€‚ å¹´ä»£ è¨€èªžãƒ»ã‚¤ãƒŽãƒ™ãƒ¼ã‚·ãƒ§ãƒ³ 1950 Fortran and Cobol 1960 Lisp and Algol 1970 Abstract data types (Simula, C, SQL) 1980 Objects (Smalltalk, C++) 1990 Java, JavaScript, Python, Ruby ã“ã‚Œã¯ã€å¹´ä»£ã”ã¨ã«é–‹ç™ºã•ã‚ŒãŸè¨€èªžãŠã‚ˆã³ã‚¤ãƒŽãƒ™ãƒ¼ã‚·ãƒ§ãƒ³ã‚’è¡¨ã«ã¾ã¨ã‚ãŸã‚‚ã®ã«ãªã‚Šã¾ã™ã€‚ãŸã ã—ã€ã“ã®è¡¨ã«ã¯æ¬ ã‘ã¦ã„ã‚‹äº‹æŸ„ãŒã‚ã‚Š
ryskosn 2021/01/09
programming

functional

Scala
ãƒªãƒ³ã‚¯
Applicative Computation Expressions
ã“ã®è¨˜äº‹ã¯ã€F# Advent Calendar 2020ã®7æ—¥ç›®ã®è¨˜äº‹ã§ã™ã€‚åˆæ—¥ã®è¨˜äº‹ã§ã‚ã‚‹F# 5.0ã®æ–°æ©Ÿèƒ½ã§ã‚‚è§¦ã‚Œã‚‰ã‚Œã¦ã„ã¾ã™ãŒã€ ã‚³ãƒ³ãƒ”ãƒ¥ãƒ†ãƒ¼ã‚·ãƒ§ãƒ³å¼ã§Applicativeãªè¨ˆç®—ã‚’æ‰±ãˆã‚‹ã‚ˆã†ã«ã—ã¦ã€ã‚ˆã‚ŠåŠ¹çŽ‡çš„ã«ã‚³ãƒ³ãƒ”ãƒ¥ãƒ†ãƒ¼ã‚·ãƒ§ãƒ³å¼ã®å‡¦ç†ã‚’ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã™ã‚‹ã“ã¨ãŒã§ãã‚‹ Applicative Computation Expressions ã«ã¤ã„ã¦ã€å°‘ã—ã ã‘æŽ˜ã‚Šä¸‹ã’ã¦ã¿ã‚ˆã†ã¨æ€ã„ã¾ã™ã€‚ Optionãƒ¢ãƒŠãƒ‰ã®ã‚³ãƒ³ãƒ”ãƒ¥ãƒ†ãƒ¼ã‚·ãƒ§ãƒ³å¼ ã¾ãšã€æ‰‹ã”ã‚ãªã‚µãƒ³ãƒ—ãƒ«ã¨ã—ã¦Optionãƒ¢ãƒŠãƒ‰ã®ã‚³ãƒ³ãƒ”ãƒ¥ãƒ†ãƒ¼ã‚·ãƒ§ãƒ³å¼ã®æŒ™å‹•ã‚’ã¿ã¦ã¿ã¾ã—ã‚‡ã†ã€‚ type OptionBuilder1 () = member __.Bind(x, f) = printfn "%s" $"{nameof(OptionBuilder1)}:Bind x:{x}" Option.bind f x member __.Return
ryskosn 2020/12/07
Applicative ã«ã¤ã„ã¦ã®è§£èª¬ã‚‚ã‚ã‚‹

F#

functional
ãƒªãƒ³ã‚¯
é–¢æ•°åž‹ãƒ‡ã‚¶ã‚¤ãƒ³ï¼†ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ï¼šé–¢æ•°åž‹ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã¨ã¯ï¼ˆãã®1ï¼‰ - Qiita
ryskosn 2020/07/31
Scala

functional
ãƒªãƒ³ã‚¯
Pythonã‚’ä½¿ã£ã¦é–¢æ•°åž‹ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚° Part.2
2019å¹´9æœˆ16ã€17æ—¥ã€æ—¥æœ¬æœ€å¤§ã®Pythonã®ç¥å…¸ã§ã‚ã‚‹ã€ŒPyCon JP 2019ã€ãŒé–‹å‚¬ã•ã‚Œã¾ã—ãŸã€‚ã€ŒPython New Eraã€ã‚’ã‚ãƒ£ãƒƒãƒã‚³ãƒ”ãƒ¼ã«ã€æ—¥æœ¬ã ã‘ã§ãªãä¸–ç•Œå„åœ°ã‹ã‚‰Python ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ãŸã¡ãŒä¸€å ‚ã«ä¼šã—ã€ã•ã¾ã–ã¾ãªçŸ¥è¦‹ã‚’å…±æœ‰ã—ã¾ã™ã€‚ãƒ—ãƒ¬ã‚¼ãƒ³ãƒ†ãƒ¼ã‚·ãƒ§ãƒ³ã€ŒPythonã¦ã‚™å§‹ã‚ã¦ã¿ã‚ˆã†é–¢æ•°åž‹ãƒ•ã‚šãƒã‚¯ã‚™ãƒ©ãƒŸãƒ³ã‚¯ã‚™ã€ã«ç™»å£‡ã—ãŸã®ã¯ã€æ ªå¼ä¼šç¤¾SQUEEZEã®å¯ºå¶‹å“²æ°ã€‚è¬›æ¼”è³‡æ–™ã¯ã“ã¡ã‚‰ ä¸å¤‰ï¼æ°¸ç¶šãƒ‡ãƒ¼ã‚¿æ§‹é€ ã‚’æä¾›ã™ã‚‹ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ å¯ºå¶‹å“²æ°ï¼šç¶šã„ã¦ã€ä¸å¤‰ï¼æ°¸ç¶šãƒ‡ãƒ¼ã‚¿æ§‹é€ ã«ã¤ã„ã¦ã§ã™ã€‚ listã‚’æ“ä½œã™ã‚‹é–¢æ•°ã®å•é¡Œç‚¹ã«ã¤ã„ã¦ã€ä¾‹é¡Œã§è¦‹ã¦ã„ãã¾ã—ã‚‡ã†ã€‚add_mangoã¯æžœç‰©åã®æ–‡å—åˆ—ã®listã‚’ã¨ã£ã¦ã€mangoã‚’ãã®listã«è¶³ã—ã¦è¿”ã—ã¾ã™ã€‚change_from_apple_to_bananaã¯ã€åŒã˜ã‚ˆã†ã«listã‚’ã¨ã£ã¦appleã‚’æŽ¢ã—ã¦ã€bananaã«å…¥ã‚Œæ›¿ãˆã¦è¿”ã—ã¾ã™ã€‚ ãã®
ryskosn 2020/03/05
functional

Python

F#
ãƒªãƒ³ã‚¯
A primer on functional architecture â€“ Increment: Software Architecture
ryskosn 2020/03/02
programming

functional
ãƒªãƒ³ã‚¯
Domain Modeling Made Functional ã¾ã¨ã‚ - Qiita
Deleted articles cannot be recovered. Draft of this article would be also deleted. Are you sure you want to delete this article? ã€ŽDomain Modeling Made Functionalã€ã¨ã„ã†é–¢æ•°åž‹ãƒ‰ãƒ¡ã‚¤ãƒ³ãƒ¢ãƒ‡ãƒªãƒ³ã‚°ã®æœ¬ã‚’èªã‚“ã§ã¿ãŸã€‚ã¨ã¦ã‚‚é¢ç™½ã‹ã£ãŸã®ã§ç´¹ä»‹ã—ãŸã„ã€‚ ã¯ã˜ã‚ã« è‘—è€…ã«ã¤ã„ã¦ ã€ŽDomain Driven Design with the F# type Systemã€ ã¨ã„ã†é¢ç™½ã„ã‚¹ãƒ©ã‚¤ãƒ‰ã§ã€é–¢æ•°åž‹ã®ãƒ†ã‚¯ãƒ‹ãƒƒã‚¯ã‚’ä½¿ã£ã¦ BLOBA1 ã‚’ã‚¨ãƒ¬ã‚¬ãƒ³ãƒˆã«ã‚³ãƒ¼ãƒ‡ã‚£ãƒ³ã‚°ã™ã‚‹æŠ€æ³•ã‚’ææ¡ˆã—ã¦ã„ãŸ Scott Wlaschin ã¨ã„ã†äººã€‚ ãŠã™ã™ã‚ã—ãŸã„äºº ç‰¹ã«æ¬¡ã®ã‚ˆã†ãªäººã¯ã€ãã£ã¨é¢ç™½ãèªã‚ã‚‹ã®ã§ã¯ãªã„ã‹ã¨æ€ã†ã€‚ ãµã ã‚“ç´”ç²‹é–¢æ•°åž‹è¨€èªžã‚’ä½¿ã£ã¦ã„ã¦è¨ˆç®—æ©Ÿç§‘
ryskosn 2020/01/23
programming

functional

F#
ãƒªãƒ³ã‚¯
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ãµã¨ã¨ã‚ã‚‹ã¨ã“ã‚ã§ã€ é–¢æ•°åž‹ã«æ›¸ã‹ã‚Œã¦ã„ãªã„ ã¿ãŸã„ãªè¨˜è¿°ã‚’è¦‹ã¤ã‘ã¾ã—ãŸã€‚ã“ã®ã¨ããªã‚“ã‹ãƒ¢ãƒ¤ã£ã¨ã—ãŸã‚“ã§ã™ãŒã€ã†ã¾ãè¨€èªžåŒ–å‡ºæ¥ãªã‹ã£ãŸã®ã§ã€ã¡ã‚‡ã£ã¨æ›¸ã„ã¦ã¿ã¾ã™ã€‚ ã¾ãšå§‹ã‚ã«è¦³æ¸¬ã™ã‚‹ é–¢æ•°åž‹ ã¨ã‹ æ‰‹ç¶šãåž‹ ã¨è¨€ã„ã¾ã™ãŒã€ä¸€ä½“ã©ã†ã„ã†åŸºæº–ã§è©±ã—ã¦ã„ã‚‹ã‹ã¯ã€æ›¸ãæ‰‹ãƒ»è©±ã—æ‰‹ã«ä¾å˜ã™ã‚‹ã‚ˆã†ã§ã™ã€‚ãŸã ã€ã‚ã‚‹ç¨‹åº¦ä¸€è²«ã—ã¦ã„ã‚‹ã®ã¯ é–¢æ•°åž‹ã¨ã„ã†å ´åˆã€å¤šãã®å ´åˆã¯é–¢æ•°ãŒãƒ•ã‚¡ãƒ¼ã‚¹ãƒˆã‚¯ãƒ©ã‚¹ æ‰‹ç¶šãåž‹ã¨ã„ã†å ´åˆã€ä½Žãƒ¬ã‚¤ãƒ¤ãƒ¼ãªè¨€èªžã§æ›¸ã‹ã‚Œã¦ã„ã‚‹ã‚ˆã†ãªã‚‚ã®ã‚’æŒ‡ã—ã¦ã„ã‚‹ã‚±ãƒ¼ã‚¹ãŒå¤šã„ ç¨€ã«ã€é–¢æ•°åž‹è¨€èªžã¨æ‰‹ç¶šãåž‹è¨€èªžã¨ã„ã†æ„Ÿã˜ã§ã®ä½¿ã„æ–¹ã‚‚ã•ã‚Œã‚‹æ§˜å é–¢æ•°åž‹è¨€èªžã¨ã—ã¦ã¯Haskell/Lispãªã© æ‰‹ç¶šãåž‹è¨€èªžã¨ã—ã¦ã¯C/æ˜”ã®Javaãªã© ãã‚‰ã„ã®ã‚ˆã†ã§ã™ã€‚ç§ã®è¦³æ¸¬ç¯„å›²ãŒç‹ã™ãŽã‚‹ã®ã§ã‚ã‚Œã§ã™ãŒãƒ»ãƒ»ãƒ»ã€‚ é–¢æ•°åž‹ã®æ›¸ãæ–¹ã¨ã¯ï¼Ÿ Java7ã‹ã‚‰8ã«ãªã£ãŸã‚¿ã‚¤ãƒŸãƒ³ã‚°ã§ã‚ˆãè¨€ã‚ã‚ŒãŸã®ã¯ã€ Project Lambda ã«ã‚ˆã£ã¦å°Žå…¥
ryskosn 2020/01/17
OCaml

functional

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ãƒªãƒ³ã‚¯
åž‹ã‚¯ãƒ©ã‚¹ã®ã”ç´¹ä»‹ - molecular coordinates
ã“ã®è¨˜äº‹ã¯åž‹ Advent Calendar 2019ã®23æ—¥ç›®ã§ã™ã€‚ ãŠã¯ã‚ˆã†ã”ã–ã„ã¾ã™ï¼ï¼ï¼coord_eã§ã™ã€ã‚ˆã‚ã—ãã©ã†ãžã€‚ ã¯ã˜ã‚ã« ã“ã®è¨˜äº‹ã§ã¯OCamlã¿ãŸã„ãªMLç³»è¨€èªžãŒç™»å ´ã—ã¾ã™ã€‚é–¢æ•°åž‹ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã¨å‘¼ã°ã‚Œã‚‹ä½•ã‹ã—ã‚‰ã«è§¦ã‚ŒãŸã“ã¨ãŒã‚ã‚‹äººãªã‚‰ãŠæ°—æŒã¡ã§èªã¿å–ã‚Œã‚‹ã¨æ€ã„ã¾ã™ã€‚ãã†ã§ãªã„äººã¯ã“ã¡ã‚‰ã‹ã‚‰OCamlã«å…¥é–€ã—ã¦ã¿ã‚‹ã¨æ¥½ã—ã„ã¨æ€ã„ã¾ã™ã€‚æ¥½ã—ã„ã¨æ€ã„ã¾ã™ã£ã¦ä½•ã§ã™ã‹... ã¾ãŸã€ç§ã¯æ£ç›´ãªã¨ã“ã‚ã“ã®è¨˜äº‹ã‚’æ›¸ãã«ã‚ãŸã£ã¦é–¢é€£ã™ã‚‹ååˆ†ãªé‡ã®æ–‡çŒ®ã‚’èªã¿ã“ã‚€ã“ã¨ãŒã§ããŸã‚ã‘ã§ã¯ãªãã€èª¤ã‚ŠãŒå˜åœ¨ã™ã‚‹ã“ã¨ã¯å®¹æ˜“ã«æƒ³åƒã§ãã¾ã™ã€‚èª¤å—ã‚„èª¤è¬¬ã‚’ç™ºè¦‹ã•ã‚ŒãŸæ–¹ã¯@coord_eã¾ã§ã”é€£çµ¡ãã ã•ã„ã€‚ æ¦‚è¦ åž‹ã‚¯ãƒ©ã‚¹ (type class)ã¯Wadlerã«ã‚ˆã£ã¦[1]ã§ææ¡ˆã•ã‚ŒãŸè¨€èªžæ©Ÿèƒ½ã ã€‚æœ¬è¨˜äº‹ã§ã¯åž‹ã‚¯ãƒ©ã‚¹ã‚’å°Žå…¥ã™ã‚‹å‹•æ©Ÿã‚’ã‚ªãƒ¼ãƒãƒ¼ãƒãƒ¼ãƒ‡ã‚£ãƒ³ã‚°ã®è¦³ç‚¹ã‹ã‚‰ç´¹ä»‹ã—ãŸå¾Œã€Wadlerã®åž‹ã‚¯ãƒ©ã‚¹ã‚’
ryskosn 2019/12/26
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OCaml

functional
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ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ãƒªãƒ³ã‚°ã‚°ãƒ«ãƒ¼ãƒ—ã®å†¨å²¡ã§ã™ã€‚ ç§ã¯æœ€è¿‘é–¢æ•°åž‹ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã«ãƒãƒžã£ã¦ã„ã¦ã€ç¤¾å†…ã§FP in Scala (è¨³æ›¸)ã®è¼ªèªä¼šã‚’ä¸»å‚¬ã™ã‚‹ãªã©ã—ã¦é–¢æ•°åž‹ã‚„ScalaãŒå¥½ããªäººã‚’å¢—ã‚„ã™æ´»å‹•ã‚’ã—ã¦ã„ã¾ã™ã€‚ ã“ã®è¼ªèªä¼šã§ã™ãŒã€æœ¬è‡ªä½“ã®ç´ æ™´ã‚‰ã—ã•ã‚‚ã‚ã£ã¦æœªã ã«å‚åŠ è€…ï¼—äººãŒèª°ä¸€äººè„±è½ã™ã‚‹ã“ã¨ãªãèªã¿é€²ã‚ã¦ã„ã¾ã™ã€‚ç¾åœ¨ï¼˜ç« ã¨æŠ˜è¿”ã—åœ°ç‚¹ãªã®ã§ã™ãŒã€ã“ã‚Œã¾ã§ã®ç« ã§ååˆ†ã«è¨“ç·´ã•ã‚ŒãŸç§ãŸã¡å‚åŠ è€…ã¯ã€ï¼ˆèª¬æ˜Žã®éƒ½åˆä¸Šï¼‰å‰¯ä½œç”¨ã‚’èµ·ã“ã™å‡¦ç†ãŒæ•™ç§‘æ›¸ã«å‡ºã¦ã“ã‚ˆã†ã‚‚ã®ãªã‚‰å¤§ãƒ–ãƒ¼ã‚¤ãƒ³ã‚°ã€‚æ•™ç§‘æ›¸ã®è§£æ³•ã‚’ç¢ºèªã—ã¦ã¯ã€Œç¾Žã—ã„ï¼ã€ã€Œã‚¨ãƒ¬ã‚¬ãƒ³ãƒˆã ï¼ã€ã¨ç››ã‚Šä¸ŠãŒã‚ŠãªãŒã‚‰èªã¿é€²ã‚ã‚‹ã‚ˆã†ã«ãªã‚Šã¾ã—ãŸã€‚ ä¸ã§ã‚‚foldRightã¯å¤§äººæ°—ã§ã€ç™»å ´ã®ãŸã³ã«å ´ã‚’ç››ã‚Šä¸Šã’ã¦ãã‚Œã¾ã™ã€‚ã“ã®è¨˜äº‹ã§ã¯ã€ã“ã®foldRightãŒãªãœç¾Žã—ã„ã®ã‹ã‚’è§£èª¬ã—ã¾ã™ã€‚ foldLeft / foldRight ã¾ãšã¯ã€ä¼¼ãŸå‡¦ç†ã§ã‚ã‚‹foldLeft / foldRig
ryskosn 2019/10/22
functional

*ã‚ã¨ã§ã‚‚ã†ä¸€å›žèªã‚€
ãƒªãƒ³ã‚¯
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ryskosn 2019/10/21
functional

programming
ãƒªãƒ³ã‚¯
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