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Monday, November 21
 

11:25am EET

[SLIDES]Pawel Szulc @rabbitonweb - Going bananas with recursion schemes for fixed point data types
In 1991 Erik Meijer, Maarten Fokkinga, and Ross Paterson published "Functional Programming with Bananas, Lenses, Envelopes and Barbed Wire." This paper is a classic one, widely recognizable in the FP community. Constructs described - known as recursion schemas - have real world applications. Strictly speaking, explicit recursion is the ‘goto’ of pure functional programming. Recursion schemas provide same level of sanity as loops did for structural programming back in the day.Over the years a lot of the progress have been made. Papers like "Recursion schemes from comonads" by Tarmo Uustalu, Varmo Vene & Alberto Pardo or "Unifying Structured Recursion Schemes" by Ralf Hinze, Nicolas Wu & Jeremy Gibbons - pushed the concept forward.This talk is about generalization of a very specific recursion schema (called catamorphism) over fixed point data type. After providing introduction the concept of catamorphism, we will jump straight to fix point data types trying to solve some real-world problems. Code examples are in Scala. Code examples use Matryoshka - which is an open sourced project design to generalize folds, unfolds, and traversals for fixed point data structures in Scala.

Speakers
avatar for Pawel Szulc

Pawel Szulc

FUNCTIONAL PROGRAMMER at SLAMDATA, SlamData
Pawel Szulc is primarily a programmer. Always was and always will be. Experienced professionally in JVM ecosystem, currently having tons of fun with Scala, Clojure and Haskell. By day working on (not that) BigData problems with Akka Stream & Apache Spark, by night hacking whatever... Read More →



Monday November 21, 2016 11:25am - 12:15pm EET
3. Citius
 
Tuesday, November 22
 

11:15am EET

[SLIDES]Tom Harvey @tombuildsstuff - Swift on the Server
Since it's introduction to the world at WWDC 2013 - Swift has rocketed in popularity - becoming the most popular language on Github in 2015. Both the language and the roadmap have now been open-sourced - and no longer limited to Apple's platforms - meaning it's now available on everything from Raspberry Pi's to the server. In this session - we'll build an API using Swift, then deploy and run it on the server. We'll also cover how you'd run this in Production, the integration options which are currently available and the roadmap for Swift 3.0 - so that you're aware of what's coming in the pipeline.

Speakers
avatar for TOM HARVEY

TOM HARVEY

Terraform Software Engineer, HashiCorp
Tom’s an Engineer at HashiCorp working on the Azure support within Terraform. When he’s not coding, Tom's been known to travel the world.



Tuesday November 22, 2016 11:15am - 12:05pm EET
2. Altius

11:15am EET

[SLIDES]Roy Veshovda @royveshovda - From zero to IoT (using Elixir and Nerves)
How can we use what we have learned in the web stack to iterate faster in the world of IoT?
 

Which tools are available today to go from idea to deployed product in much faster iterations than before. To get prototypes out the door faster and get feedback to iterate again. Have a look at Open-Hardware, Open-Source, 3D printing, Erlang (Old New), Elixir, Nerves, and how you can use them all together to prototype and build faster.

Speakers
avatar for Roy Veshovda

Roy Veshovda

BUILD TECHNOLOGY WITH PASSION, Eycarus AS
Roy Veshovda calls himself a developer. He is an independent consultant and serial entrepreneur. He has spent most of his professional life moving from the web world to hardware and back. Along the way he has picked up a lot of languages and technologies, including Erlang and Elixir... Read More →



Tuesday November 22, 2016 11:15am - 12:05pm EET
3. Citius