getty/aoc-2019 @ caed2c3d3c13a4e22932749694cacdd71a166766

Getty Ritter 9591605cdc Try using union types for errors		4 lat temu
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.gitignore	5c3b1b9bea Add second exercise	4 lat temu
main.pony	9591605cdc Try using union types for errors	4 lat temu