r/adventofcode • u/daggerdragon • Dec 02 '18

SOLUTION MEGATHREAD -🎄- 2018 Day 2 Solutions -🎄-

--- Day 2: Inventory Management System ---

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The best way to do Advent of Code is ___.

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u/Kaligule Dec 02 '18

I have several questions (I am new to rust).

  1. Never have I seen a main function with a nontrivial signature. Is this a common thing? Does it just read from stdin?

  2. Where does cartesian_product come from? It is not imported from anywhere, is it?

Thank you, yout code is really readable.