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- '''Function composition''' is the act of pipelining the result of one function, to the input of ano ...h> operator, where <math>f\circ g</math> (often read as ''f of g'') is the composition of <math>f</math> with <math>g</math>.1 KB (233 words) - 23:59, 10 October 2006
- I'd like to get some forms of type composition into a standard library. Below is my first shot at it. I'm using these de -- | Composition of type constructors: unary & unary. Called \"g . f\" in4 KB (682 words) - 19:57, 21 March 2007
Page text matches
- | monadic composition || <hask> f >>= g </hask> | composition || <hask> g . f </hask>1 KB (158 words) - 11:49, 20 March 2007
- '''Function composition''' is the act of pipelining the result of one function, to the input of ano ...h> operator, where <math>f\circ g</math> (often read as ''f of g'') is the composition of <math>f</math> with <math>g</math>.1 KB (233 words) - 23:59, 10 October 2006
- ===Function composition=== ...p://neilmitchell.blogspot.com/2007/06/functional-composition.html Function composition]1 KB (99 words) - 07:06, 26 July 2007
- #redirect [[Type composition]]65 bytes (8 words) - 12:32, 8 June 2023
- ===Composition / folding example=== Haskell supports a [[Function composition]] operator:4 KB (739 words) - 17:28, 10 November 2011
- This way several people can take part in the composition. in order to see and hear how their parts fit into the overall composition.2 KB (314 words) - 09:50, 26 September 2018
- It's not primarily intended for sound processing or even music composition.383 bytes (50 words) - 17:21, 30 April 2012
- I'd like to get some forms of type composition into a standard library. Below is my first shot at it. I'm using these de -- | Composition of type constructors: unary & unary. Called \"g . f\" in4 KB (682 words) - 19:57, 21 March 2007
- This one's easy. We fold over the list using [[Function composition|composition]] as our combinator to join items. We flip it, though, because we want a va ...ask>id</hask> as the starting value, as <hask>id</hask> is an identity for composition.9 KB (1,488 words) - 06:26, 18 September 2008
- '''TypeCompose''' provides some classes & instances for forms of type composition, as well as some modules that haven't found another home. == Type composition ==3 KB (498 words) - 22:44, 29 June 2021
- ...her compositions of these three combinators and delighted to find that the composition chains directly spell out the paths to the value subpart to be edited. ...terfaces and "tangible values" (term thanks to Sean Seefried) and gestural composition in [http://conal.net/papers/Eros Eros].3 KB (539 words) - 14:04, 26 September 2010
- ...bining them into more complicated structures. It's somewhat similar to the Composition pattern found in object-oriented programming.1 KB (161 words) - 22:52, 17 May 2007
- Haskellでは[[Function composition]]演算子をサポートしています：5 KB (208 words) - 03:18, 6 December 2009
- ...monad-composition operator <code>(>=>)</code> (also known as the ''Kleisli-composition'' operator) is defined in <code>Control.Monad</code>: It's now easy to see that monad composition is an associative operator with left and right identities.5 KB (788 words) - 10:40, 1 February 2024
- * [http://porg.es/blog/functional-programming-apl-and-unix-pipes Function composition and unix pipes]2 KB (236 words) - 07:29, 10 August 2023
- Programming happens through "gestural composition" of TVs. A user selects compatibly-typed input and output widgets, typical various categories. Choosing one will instantiate a TV in the composition6 KB (947 words) - 18:08, 16 February 2011
- * Improved user experience for gestural composition, e.g., drag & drop == General composition tools ==8 KB (1,163 words) - 13:06, 17 December 2012
- ...n, music synthesis, and signal processing system, providing facilities for composition and performance over a wide range of platforms.1 KB (184 words) - 10:13, 16 September 2015
- By using more complex composition types in addition to <tt>Compose</tt>, it is possible for witnesses to allo2 KB (287 words) - 20:03, 16 March 2006
- (pretty printing, musical composition, hardware description,2 KB (323 words) - 12:11, 13 January 2007
- ...e different). If you were using these functions, you can switch to using a composition like <code>snugB . snugL</code> directly, or use <code>snug</code> with a d2 KB (255 words) - 19:52, 16 October 2016
- ...hcal{B}</math>, then <math>F\circ G:\mathcal{A}\to\mathcal{C}</math>, with composition defined component-wise. The existence of identity and composition functors implies that, for any well-defined collection of categories <math>3 KB (543 words) - 01:17, 16 April 2019
- The simplest solution is a composition of separate functions to generate the list of candidates and to test each c The key to speeding it up is to fuse the composition <hask>filter test . generate</hask> into a semantically equivalent function3 KB (451 words) - 17:56, 30 September 2019
- | Trivial composition of not and member2 KB (258 words) - 08:46, 30 August 2010
- ...ly distributed piece of software for such tasks as photo retouching, image composition and image authoring.2 KB (224 words) - 10:43, 22 December 2008
- ...lower and upper limit, print a list of all even numbers and their Goldbach composition.992 bytes (161 words) - 19:48, 18 January 2014
- ...ition operation <math>\circ:G_2\to G_1</math>, and an identity element for composition <math>1_x</math> for each node <math>x</math> of the graph. ...n't line up to a path, you'll get nonsense, and so any statement about the composition operator has an implicit "whenever defined" attached to it.21 KB (3,823 words) - 14:25, 4 August 2011
- To get an impression how intuitive music composition with Haskore is, see the following example code (runs with revised Haskore) The <hask>(=:=)</hask> means parallel composition and8 KB (1,173 words) - 10:09, 14 July 2014
- ...it is normal functional composition, if no spaces, then it is almost like composition in the opposite direction. Also, there seem to be lots of special cases ba ...lot of people have commented that using <hask>.</hask> for this as well as composition and qualification is going to start getting confusing. One alternative sugg7 KB (1,198 words) - 05:55, 10 December 2020
- <td>composition of functions</td>4 KB (677 words) - 10:52, 24 May 2010
- === Music composition ===6 KB (831 words) - 20:07, 5 December 2021
- composition of other functions, never mentioning the actual arguments ...he 'points' of pointfree style are the <hask>(.)</hask> operator (function composition, as an ASCII symbol), which uses the same identifier as the decimal point.10 KB (1,782 words) - 14:44, 5 June 2011
- ...rn] by Jeremy Gibbons and Bruno C. d. S. Oliveira, Section 5.2 "Sequential composition of traversals"3 KB (500 words) - 14:59, 31 July 2011
- Linear transformations are closed under composition and form a monoid with the identity function as the neutral element. Affine transformations are also closed under composition, and are used as the basis for all transformations in <code>diagrams</code>14 KB (2,245 words) - 03:01, 11 April 2015
- for the composition of the functors <hask>f</hask> and <hask>g</hask>. It can be useful to use the applicative composition even when you have a monad transformer at hand. In the example above <hask>8 KB (1,326 words) - 08:20, 31 March 2022
- ...lues and interfaces are ''combined'' for direct use, and ''separable'' for composition. This combination makes for software that is ''ready to use and ready to r == Composition of TVs ==13 KB (1,988 words) - 02:05, 24 September 2021
- * the ''time of composition'': when it is defined; ...lt of the aformentioned separation of concerns, most notably the ''time of composition''. Monadic actions thus resemble programs in a particular [[EDSL]] (''embed6 KB (988 words) - 04:35, 16 March 2021
- * [[/AlignedCompose|Aligned composition]]3 KB (338 words) - 19:39, 16 October 2016
- Composition is via standard type classes: <hask>Functor</hask>, <hask>Applicative</hask ...active</hask> and <hask>Fun Time</hask> is wrapped in a [[TypeCompose|type composition]], we get <hask>Functor</hask> and <hask>Applicative</hask> instances for f10 KB (1,586 words) - 10:40, 17 July 2011
- ...ble for reasoning about the definitions of programs e.g. verifying Kleisli-composition: ...<i>Kleisli-composition</i> style:13 KB (2,108 words) - 12:52, 1 January 2024
- The sequential composition, expressed by the operator composition (I am tempted to write "played one after the other", but14 KB (2,261 words) - 19:12, 11 August 2008
- * [http://www.cse.unsw.edu.au/~dons/data/Music.html Music.hs], a music composition system (literate latex-style Haskell) ([http://darcs.haskell.org/haskore/sr6 KB (921 words) - 11:17, 22 October 2022
- ====Composition combinators==== ...>) appear second (''b'') at the right of the first (''a''). Result of such composition is also a widget, and it may be sequenced with other widgets. <code>(a +++24 KB (3,619 words) - 14:49, 7 March 2012
- ...rking, but raises new questions: what about generalizing operations (here: composition) to deal with zero-arity cases in an appropriate way? ==== Composition ====13 KB (2,068 words) - 23:19, 3 June 2019
- ...y to follow and provides a nice illustration of the usefulness of function composition in expressing algorithms in Haskell. The above program uses function composition to express an algorithm as a pipeline made up of three kinds of function: f11 KB (1,782 words) - 21:39, 21 February 2010
- ...n-existing file. I'd like to describe the behaviour of 'load' via function composition instead of mutable flags. Moreover, I'd like to remove the targets, module3 KB (404 words) - 23:03, 11 July 2021
- ...use the list type <code>[]</code> is monadic)! <code>(>>>)</code> performs composition, keeping track of all the multiple results. <code>split</code>, <code>(&&&) is a multi-valued composition <code>(g . f)</code>, and8 KB (1,316 words) - 00:00, 17 June 2021
- * Dynamic plugin composition5 KB (687 words) - 22:37, 16 February 2013
- ;Functors preserve composition of morphisms3 KB (603 words) - 22:50, 8 November 2021
- ...s in a category, and equational laws are promoted to being equations about composition of morphisms. * The tensor product is composition: <math>F \otimes G = F \circ G</math>13 KB (2,245 words) - 15:18, 6 February 2021
- It illustrates the use of [[ShowS]]-style function composition as an alternative to recursive list concatenation - the latter is inefficie3 KB (427 words) - 01:33, 28 December 2013
- * [http://fprog.ru/2010/issue4/denis-moskvin-compositions-sections/ ''Composition Sections as a Tool of Pointfree Style''] by Denis Moskvin7 KB (918 words) - 11:33, 4 April 2012
- Kleisli composition forms<br>4 KB (621 words) - 05:56, 26 April 2021
- Using "<hask>g `O` f</hask>" for the ''composition'' of type constructors <hask>g</hask> and <hask>f</hask>, the representatio3 KB (486 words) - 21:52, 29 June 2021
- ...ried and uncurried style allows [[Composing functions with multiple values|composition of functions with multiple values]]4 KB (669 words) - 02:17, 3 November 2023
- :''elaborate:'' what does this function do? Is the period for function composition? ...language allows for unparallelled levels of abstraction through functional composition and higher-order functions. Where in most imperative languages a "function15 KB (2,547 words) - 21:58, 29 October 2011
- .../hask> value by <hask>xLens</hask> from the state. The editor would be the composition of the following simpler editors:9 KB (1,506 words) - 18:10, 8 June 2013
- ===On composition=== This nice code reuse via composition is achieved using the <code>(.)</code> function,19 KB (3,139 words) - 04:08, 22 October 2021
- using the function composition operator <hask>.</hask>.9 KB (1,413 words) - 20:10, 11 January 2013
- .../games-strategies-and-self-composition.html Games, Strategies and the Self-Composition of the List Monad.]9 KB (903 words) - 07:20, 16 April 2020
- parallel composition <b>par</b>, and sequential composition <b>seq</b>. With11 KB (1,692 words) - 16:37, 28 January 2023
- ...messages, so <hask>it0</hask> and <hask>it1</hask> work in parallel. Their composition is denoted <hask>it1 . it0</hask>. If <hask>it0</hask> finishes, it is resu6 KB (927 words) - 12:02, 19 April 2024
- ...y morphism for object <hask>A</hask> is <hask>id :: A -> A</hask>, and the composition of morphisms <hask>f</hask> and <hask>g</hask> is <hask>f . g = \x -> f (g7 KB (1,086 words) - 10:33, 9 March 2023
- ...k>mapAccumL</hask> like functions. Many important operations like function composition maintain the causality property. They are important in feedback loops where7 KB (1,030 words) - 19:38, 15 May 2012
- composition, and this is no coincidence. The reason that bind is so important what composition does.18 KB (3,270 words) - 05:36, 9 March 2021
- ...lower and upper limit, print a list of all even numbers and their Goldbach composition.6 KB (805 words) - 02:30, 11 June 2023
- * [32]Games, Strategies and the Self-Composition of the List Monad 32. http://sigfpe.blogspot.com/2006/10/games-strategies-and-self-composition.html8 KB (1,191 words) - 01:56, 21 October 2006
- (Hint: function application binds more tightly than any operator; function composition has very low precedence.) ===to concatenate `ShowS` values, use function composition===31 KB (5,175 words) - 04:59, 9 March 2011
- ::The dot <hask>f . g</hask> is good old function composition <math>f \circ g</math>. First apply g, then apply f. Simple example: squari6 KB (1,024 words) - 23:56, 25 June 2021
- ...rs for building more complex functions from simpler ones. Of course filter composition, like <hask>(.)</hask>, becomes one of the most frequently used combinators ...we can read composition sequences from left to right, like pipes in Unix. Composition is defined as follows:<p></p>48 KB (6,937 words) - 00:20, 27 April 2016
- Things get interesting when polymorphism comes in. The composition operator in Haskell proves a very simple theorem.8 KB (1,303 words) - 15:42, 18 November 2019
- ...way to sample the value when changed. Here <hask>g `O` h</hask> means the composition of two type constructors, and is defined in [[TypeCompose]]. Without the f13 KB (2,149 words) - 10:44, 17 July 2011
- function <math>\circ</math> called composition, such that <math>g9 KB (1,379 words) - 04:11, 14 February 2023
- various arguments. The return result does behave like a `composition' The type "(b -> c) -> (a -> b) -> a -> c" (of the composition function)20 KB (3,458 words) - 15:19, 6 February 2021
- approach the order of composition needs not to be fixed by the throwing10 KB (1,404 words) - 06:22, 22 January 2020
- -- The LAMBDA is similar to the composition function (.), only with ...makes a good obfuscator), something may be seen in the Javascript for the composition function. It builds an application of its first argument to the third, and28 KB (4,378 words) - 13:10, 8 April 2007
- * [39]Query Composition using Functional Programming Techniques in C# 3.011 KB (1,674 words) - 08:26, 2 November 2007
- ...emented as a very simple layer on top of the monadic interface, using type composition (from [[TypeCompose]]):15 KB (2,333 words) - 14:34, 3 April 2012
- To recombine the functionality, we will use ordinary function composition <code>(.)</code> and the fix point operator <code>fix</code> (cf. <code>Dat12 KB (1,702 words) - 16:05, 28 April 2014
- ;[http://wwwtcs.inf.tu-dresden.de/~voigt/JFP-main.pdf Composition of functions with accumulating parameters] ([http://wwwtcs.inf.tu-dresden.d ...-dresden.de/~voigt/TOCS.pdf Formal Efficiency Analysis for Tree Transducer Composition]19 KB (2,599 words) - 00:14, 15 June 2023
- ...nads are a generalization of functions, function application, and function composition to allow them to deal with richer notions of computation than standard func ...a monoid in the category of endofunctors of X, with product × replaced by composition of endofunctors and unit set by the identity endofunctor."34 KB (4,819 words) - 08:52, 24 April 2024
- The period is a function composition operator. In general terms, where f and g are functions, (f . g) x means th19 KB (3,237 words) - 01:33, 10 May 2008
- where the period (.) is an operator denoting [[function composition]].12 KB (1,923 words) - 18:51, 28 March 2019
- ...e> will need to change xmonad.hs: their types have changed to allow easier composition with other XConfig modifiers. The dynamicLogDzen and dynamicLogXmobar funct ...> and <hask>xmobar</hask> quick bar functions have changed type for easier composition with other XConfig modifiers. <hask>dynamicLogDzen</hask> and <hask>dynami21 KB (3,078 words) - 08:18, 23 May 2021
- * Deep embedding of composition to give statically allocated descriptions of branching programs13 KB (2,000 words) - 08:31, 31 May 2015
- ...ntains categorical functors which support the identity functor and functor composition without needing newtype wrappers.17 KB (2,638 words) - 12:02, 26 June 2013
- ...through <hask>D9</hask> are type constructors of one argument. We use the composition of the constructors to represent sequences of digits. And so we introduce a ...nctions’ types. Another approach to multivariate functions — multivariate composition operator — is discussed in [[#mcomp|mcomp]].74 KB (11,649 words) - 11:34, 9 August 2012
- :''The composition of two <code>Functor</code>s is also a <code>Functor</code>.'' ...er every item in a container has no effect. The second says that mapping a composition of two functions over every item in a container is the same as first mappin179 KB (29,519 words) - 16:10, 30 December 2022
- - In the center is a dot, which is the function composition operator Number 2 and 3 also reference function composition. Number 3 is my personal favourite.34 KB (5,126 words) - 19:19, 15 August 2019
- ...w.haskell.org/ghc/dist/current/docs/libraries/base/Data-Ord.html). It is a composition of <hask>compare</hask> and <hask>on</hask>/<hask>compose2</hask>. However24 KB (4,110 words) - 01:13, 7 November 2020
- ...e fully polymorphic and composable like applicative functors. Overheads on composition are low, making "computing with Closures" a natural paradigm that is used e22 KB (3,305 words) - 01:20, 30 September 2014
- ...] TypeCompose, which provides some classes and instances for forms of type composition. It also includes a very simple implementation of data-driven computation.< ...aces. Values and interfaces are combined for direct use, and separable for composition. GuiTV adds graphical user interfaces to the TV (tangible value) framework,78 KB (11,405 words) - 03:19, 11 February 2008
- pattern" and "Composition pattern" combined. Good news: in Haskell you get them * Notice how we use function composition to compose complex condition to filter the list of dirs73 KB (10,050 words) - 00:05, 19 April 2021
- = f (g X) -- composition en fonction34 KB (5,567 words) - 09:54, 7 April 2008
- pattern" and "Composition pattern" combined. Good news: in Haskell you get them * Notice how we use function composition to compose complex condition to filter the list of dirs69 KB (11,026 words) - 12:26, 9 January 2023
- new function which is their composition:41 KB (6,592 words) - 15:16, 6 February 2021
- ...ell.org/cgi-bin/hackage-scripts/package/TypeCompose-0.3 TypeCompose]: Type composition classes & instances.</p></li>76 KB (9,269 words) - 19:17, 15 August 2019
- * Notice how we use function composition to compose complex condition to filter the list of dirs76 KB (12,037 words) - 18:28, 11 June 2012