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mod day1;
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fn main() {
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let day = std::env::args().skip(1).next();
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let result = match day.as_ref().map(|v| v.as_ref()) {
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Some("1a") => day1::part1(),
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Some("1b") => day1::part2(),
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_ => panic!("unrecognized day"),
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};
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println!("[{}] {}", day.unwrap(), result);
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}
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