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mars-rover-kata-scala's Introduction

Mars Rover Kata Scala

Mars rover code kata solved using Scala.

Goals

  • be pragmatic, don't overdo the solution
  • use the type system to your advantage
  • make the "core" immutable
  • use Scala language's strengths (pattern matching etc)
  • separate concerns (parsing/moving/etc)

Takeaways

  • Bugs easily occurred using the same primitive for different semantics (e.g. swapping x for y coordinate)
  • Tests caught these bugs early

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