Omniscient.js
Omniscient v4.1.1 Do fast top-down rendering of views while thinking functional programming. Allow your views to be predictable, naturally separated and composable, but still performant. Omniscient is to React as memoize is to the Fibonacci function. Rationale functional programming for UIs memoization for stateless React components top-down rendering of components (unidirectional data flow) favor
Functional UI and Components as Higher Order Functions - RisingStack Engineering
Join 150K+ monthly readers. In-depth articles on Node.js, Microservices, Kubernetes and DevOps. Once upon a time in web development, we had perfect mental models through static HTML. We could predict the output without giving it too much thought. If we were to change any of the contents on the site, we did a full refresh and we could still mentally visualise what the output would be. We would comm
Railway Oriented Programming | F# for fun and profit
Slides and videos explaining a functional approach to error handling This page contains links to the slides and code from my talk “Railway Oriented Programmingâ€. Here’s the blurb for the talk: Many examples in functional programming assume that you are always on the “happy pathâ€. But to create a robust real world application you must deal with validation, logging, network and service errors, and o
Railway Oriented Programming
(Video of these slides here http://fsharpforfunandprofit.com/rop) (My response to "this is just Either" here: http://fsharpforfunandprofit.com/rop/#monads) Many examples in functional programming assume that you are always on the "happy path". But to create a robust real world application you must deal with validation, logging, network and service errors, and other annoyances. So, how do you handl
Canvasã®ãŠçµµã‹ãã« bacon.js を使ã£ã¦ã¿ãŸ | The Wacul Blog
イベント処ç†ã®æ†‚鬱ã¨bacon.js æ¥å‹™ã§ã¡ã‚‡ã£ã¨ã—ãŸãŠçµµã‹ãツールをjsã§ä½œã‚‹æ©Ÿä¼šãŒã‚ã‚Šã¾ã—ãŸã€‚ マウスã®ã‚¤ãƒ™ãƒ³ãƒˆã‚’拾ã£ã¦canvasã«æç”»ã™ã‚‹ã€ãã‚Œã ã‘ã®å‡¦ç†ãªã®ã§ã™ãŒã€ã‚¤ãƒ™ãƒ³ãƒˆã®ãƒãƒ³ãƒ‰ãƒªãƒ³ã‚°ã¨ãƒšãƒ³ã®çŠ¶æ…‹ãªã©ãŒçµ¡ã‚€ã¨ã€çµæ§‹ãƒ¡ãƒ³ãƒ†ãŒã—ã¥ã‚‰ã„ソースã«ãªã£ã¦ã—ã¾ã„ã¾ã™ã€‚ ã“れを綺麗ã«æ›¸ã方法ã¯ãªã„ã‹ã€èª¿ã¹ã¦ã„ã‚‹ä¸ã§ã€bacon.js ã¨ã„ã†ãƒ©ã‚¤ãƒ–ラリを見ã¤ã‘ã¾ã—ãŸã€‚試ã—ã¦ã¿ãŸã¨ã“ã‚ãªã‹ãªã‹è‰¯ã•ãã†ã ã£ãŸã®ã§ã”紹介ã—ã¾ã™ã€‚ bacon.js ã¯FRP(Functional Reactive programmer) ã¨ã„ã†æ¦‚念をjsã§å®Ÿè£…ã—ãŸã‚‚ã®ã§ã€åƒ•ãªã‚Šã®ç†è§£ã ã¨ã€ 変化ã™ã‚‹ã‚¤ãƒ™ãƒ³ãƒˆã‚„値 (EventStream, Property) をオブジェクトã¨ã—ã¦æ‰±ã†ã“ã¨ãŒã§ãã‚‹ イベントや値ã®é–“ã«é–¢ä¿‚ã‚’æŒãŸã›ã‚‹ã“ã¨ãŒã§ãã‚‹ 例: b = a + 1 å…ƒã®å€¤ãŒå¤‰ã‚ã‚‹ã¨ã€é–¢ä¿‚ã™ã‚‹å€¤ã‚‚自動的ã«æ›´æ–°ã•ã‚Œã‚‹
LensBeginnersCheatsheet - HaskellWiki
Many other similar functions and operators are available. Composing Lenses Use . and pretend you're using a more mainstream language: outerLens . innerLens. s = [Data.Map.singleton "bob" 7, Data.Map.fromList [("alice", 5), ("kerry", 8)], Data.Map.singleton "harry" 6] t = element 1 . at "kerry" .~ Just 42 $ s -- t = [Data.Map.singleton "bob" 7, -- Data.Map.fromList [("alice", 5), ("kerry", 42)], --
A Little Lens Starter Tutorial - School of Haskell | School of Haskell
Interactive code snippets not yet available for SoH 2.0, see our Status of of School of Haskell 2.0 blog post What is lens?lens is a package which provides the type synonym Lens which is one of a few implementations of the concept of lenses, or functional references. lens also provides a number of generalizations of lenses including Prisms, Traversals, Isos, and Folds. Why do I care?Lenses and the
Roy
About Roy is an experimental programming language that targets JavaScript. It tries to meld JavaScript semantics with some features common in static functional languages: Damas-Hindley-Milner type inference Whitespace significant syntax Simple tagged unions Pattern matching Structural typing Monad syntax Try the current version below. The code is on GitHub. Follow @roylangjs for news on developmen
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IBM developerWorks 「関数型ã®è€ƒãˆæ–¹ã€ã®è¨˜äº‹ã¾ã¨ã‚ - 平々毎々（アーカイブ）
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Elm - delightful language for reliable web applications
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