LENSES: COMPOSITIONAL DATA ACCESS AND MANIPULATION.
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Haskell lets you write beautiful, modular code. Rather than waffle generally, I’ll use this talk to look at a particular example, Edward Kmett’s lovely lens library.
Lenses have been called “jQuery for data types”: they give you a way to poke around in the guts of some large aggregate structure. Lenses compose (so you can make big lenses by gluing together little ones), and they exploit type classes to allow a remarkable degree of flexibility (get, set, fold, traverse, etc).
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- Fireside chat: Martin Odersky & Simon Peyton Jones (SkillsCast recorded in December 2018)
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- Lightbend Akka for Scala - Professional (in London on 11th - 12th November 2019)
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- Keynote by Zainab Ali on Abstract Data Types In The Region Of Abysmal Pain, And How To Navigate Them (in London on 30th September 2019)
- Type Punning in Modern C++ (SkillsCast recorded in September 2019)
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Thanks to our sponsors
LENSES: COMPOSITIONAL DATA ACCESS AND MANIPULATION.
Simon Peyton Jones
Simon Peyton Jones, MA, MBCS, CEng, graduated from Trinity College Cambridge in 1980. Simon was a key contributor to the design of the now-standard functional language Haskell, and is the lead designer of the widely-used Glasgow Haskell Compiler (GHC). He has written two textbooks about the implementation of functional languages.
Please log in to watch this conference skillscast.
Haskell lets you write beautiful, modular code. Rather than waffle generally, I’ll use this talk to look at a particular example, Edward Kmett’s lovely lens library.
Lenses have been called “jQuery for data types”: they give you a way to poke around in the guts of some large aggregate structure. Lenses compose (so you can make big lenses by gluing together little ones), and they exploit type classes to allow a remarkable degree of flexibility (get, set, fold, traverse, etc).
YOU MAY ALSO LIKE:
- Haskell eXchange 2019 (in London on 10th - 11th October 2019)
- Fireside chat: Martin Odersky & Simon Peyton Jones (SkillsCast recorded in December 2018)
- Fast Track to F# with Tomas Petricek (in London on 31st October - 1st November 2019)
- Lightbend Akka for Scala - Professional (in London on 11th - 12th November 2019)
- Clojure eXchange 2019 (in London on 2nd - 3rd December 2019)
- F#unctional Londoners September (in London on 18th September 2019)
- Keynote by Zainab Ali on Abstract Data Types In The Region Of Abysmal Pain, And How To Navigate Them (in London on 30th September 2019)
- Type Punning in Modern C++ (SkillsCast recorded in September 2019)
- Scala 2.13 and Beyond! (SkillsCast recorded in April 2019)
Thanks to our sponsors
LENSES: COMPOSITIONAL DATA ACCESS AND MANIPULATION.
Simon Peyton Jones
Simon Peyton Jones, MA, MBCS, CEng, graduated from Trinity College Cambridge in 1980. Simon was a key contributor to the design of the now-standard functional language Haskell, and is the lead designer of the widely-used Glasgow Haskell Compiler (GHC). He has written two textbooks about the implementation of functional languages.