37 lines
897 B
Rust
37 lines
897 B
Rust
use std::{collections::HashMap, env::args};
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use advent_of_rust_2024::*;
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use itertools::Itertools;
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fn main() {
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let mains: HashMap<u8, fn() -> ()> = HashMap::from_iter([
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(1, day01::day_main as fn()),
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(2, day02::day_main),
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(3, day03::day_main),
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(4, day04::day_main),
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]);
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let day: Option<u8> = args().nth(1).and_then(|a| a.parse().ok());
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let Some(day) = day else {
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mains
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.iter()
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.sorted_by_key(|entry| entry.0)
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.for_each(|(d, f)| {
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println!("Day {d}:");
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f();
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});
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return;
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};
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let Some(f) = mains.get(&day) else {
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println!("No implementation for day {day}.");
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println!(
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"Pick one of {}",
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mains.keys().map(|k| k.to_string()).join(", ")
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);
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return;
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};
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println!("Day {day}:");
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f();
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}
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