Lukas Rieder wants to give this talk

Constraint programming in Ruby

How to solve restaurant table reservation problems fast and efficiently, or any logic based puzzle you can image. At the core of Ruby you can use call continuations, and you can build miraculous applications with these. I will tell you a story and show you the Ruby side of this along the way. Also this is a fading Ruby feature, thus grab it as long it is available ;)

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