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Generalising monads to arrows - ScienceDirect
Monads have become very popular for structuring functional programs since Wadler introduced their use in 1990. In particular, libraries of combinators are often based on a monadic type. Such libraries share (in part) a common interface, from which numerous benefits flow, such as the possibility to write generic code which works together with any library. But, several interesting and useful libraries are fundamentally incompatible with the monadic interface. In this paper I propose a generalisation of monads, which I call arrows, with significantly wider applicability. The paper shows how many of the techniques of monadic programming generalise to the new setting, and gives examples to show that the greater generality is useful. In particular, three non-monadic libraries for efficient parsing, building graphical user interfaces, and programming active web pages fit naturally into the new framework.
monad  arrow 
29 days ago by foodbaby
javascript - Vue - Cannot set property of undefined in promise - Stack Overflow
TLDR:

If using ES2015 then use arrow notation to fix these issues.

E.g.

.then((response) => { //do something that calls this object }

If using ES5 then you need to assign this to an outside variable like so.

var that = this;
.then(function(response) { // do something that calls that }
stackoverflow  howto  vue  javascript  fix  example  troubleshoot  property  undefined  within  promise  anonymous  function  this  object  vuejs  vue2  guide  reference  tolearn  tounderstand  es2015  arrow  notation 
4 weeks ago by racl101
Comes In Threes - Unpretty - DCU [Archive of Our Own]
Felicity Smoak has a bad track record with billionaires.
fic  arrow  dc  batman  [1-5k  pairing:gen 
5 weeks ago by shadowkeeper
ash818: a hundred and twelve
The island didn’t teach Oliver to jump a motorcycle over a flight of stairs. Two wrecked Yamahas and a Ducati taught Ollie that. No one – not his parents, not law enforcement, not even Thea frightened and crying when he put himself in the hospital – could teach him to stop.
fic  arrow  het  oliver/felicity  ust  action/adventure  tumblrfic  <5K  +2014-03 
8 weeks ago by spatz
Arrow 101 - Building an Android app using Functional Programming
Functional programming might seam a little bit challenging at first, but once you give it a try, you'll see that it comes with great benefits. The immutability makes the code a lot easier to reason…
fp  android  architecture  functional  programming  app  mvp  arrow  pipe  project 
8 weeks ago by lgtout
Apache Arrow Homepage
Apache Arrow is a cross-language development platform for in-memory data. It specifies a standardized language-independent columnar memory format for flat and hierarchical data, organized for efficient analytic operations on modern hardware. It also provides computational libraries and zero-copy streaming messaging and interprocess communication. Languages currently supported include C, C++, Java, JavaScript, Python, and Ruby.
analytics  memory  Arrow 
9 weeks ago by euler
arrow/currying.kt at master · arrow-kt/arrow
Functional companion to Kotlin's Standard Library. Contribute to arrow-kt/arrow development by creating an account on GitHub.
curry  arrow  functional  programming  source  code 
10 weeks ago by lgtout

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