Einar Høst

Einar W. Høst is a computer at NRK, the Norwegian public broadcaster. He thinks that programs should be written for people to read and also for machines to laugh at. He has a PhD in Computer Science from the University of Oslo.

NewCrafts Paris 2019

Escher in Elm

  • Talk
  • functional
  • history

his is a live coding session based on a classic 1982 paper by Peter Henderson. The paper shows the decomposition and reconstruction of Escher's woodcutting "Square Limit", a beautiful recursive tessellation of interleaving fish, using functional programming. We will define a set of functions that operate on pictures - transforming them and composing them into more complex pictures. With these functions implemented, we will follow in Henderson's footsteps to create a replica of Escher's Square Limit as an SVG. We will use Elm as the implementation language.

Room: Kare - Time: 5/16/2019 11:30:00 AM

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NewCrafts 2017

Bringing Lambda Calculus to Life

  • Talk
  • Languages

You might know that the lambda calculus is the theoretical foundation for all functional programming languages - but what is it really, and how does it work? In this talk, we'll bring the theory to life! Using F# and the fparsec library, we will write a working lambda calculus interpreter from scratch. We'll even have time left to demonstrate how we can use it to do something useful, like adding numbers!

Room: Lovelace - Time: 5/18/2017 8:45:00 AM


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