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The Algebra of Algebraic Data Types, Part 3 - Chris Taylor
I gave a talk on this subject at London Haskell in November 2012. A video of the talk is on YouTube and slides are on GitHub. This is Part 3 in a …
haskell  zipper  5* 
may 2017 by ianweatherhogg
Scala notes - Futures - 3 (Combinators and Async)
In the previous parts of this post, we discussed about Futures and Promises. In this last part, we'll compose Futures using its powerful combinators. Composing Futures : In the first post, we saw how to extract a value from Future using onComplete, foreach and in testcases using Await.result. Extracting a
scala  future  compose  parallel  zipper  async  test  4* 
june 2016 by ianweatherhogg
Zippers and Comonads in Haskell | NP-Incompleteness
In this post we are going to talk about Zippers and Comonads in Haskell. First we'll present a basic definition of Zippers and show an application for trees. We'll then talk about Comonads and how Zippers applied to lists can be seen as one. The main reference for it was the corresponding chapter in Learn…
haskell  zipper  comonad 
november 2014 by ianweatherhogg

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