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by matjazdrolc
929 days ago
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I ended up using parser combinator library nom. It's not something I use daily, therefore parsing became a puzzle on its own. Nom already has a parser for numbers. However, I didn't find an elegant way to take at most one digit. In the end I used take_while_m_n, and mapped it with u64::from_str(). Another challenge was absence of something such as find_all, that would repeatedly try to parse beginning from each character and then return all matches. I ended up writing my own combinator. https://github.com/drola/AdventOfCode2023/blob/main/src/bin/... |
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https://github.com/woile/adventofcode/blob/main/2023/day1/sr...