Improve problem infra

diff --git a/src/day00.rs b/src/day00.rs
new file mode 100644 (file)
index 0000000..3cfb47c
--- /dev/null
+++ b/src/day00.rs
@@ -0,0 +1,27 @@
+fn input() -> &'static str {
+    include_str!("../input/day00.txt")
+}
+
+fn parse(input: &str) -> () {
+    todo!()
+}
+
+pub fn part1() {
+    println!("Day 0 Part 1: {}", 0);
+}
+
+pub fn part2() {
+    println!("Day 0 Part 2: {}", 0);
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    const INPUT_STR: &str = concat!();
+
+    #[test]
+    fn test_parse() {
+        assert_eq!(parse(INPUT_STR), todo!())
+    }
+}

diff --git a/src/main.rs b/src/main.rs
index 5b055cafc1cd13d02694f511660c482ef94ceea4..48fa201c004068c2d973eed5cd3922218fb0d57e 100644 (file)
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,9 +1,69 @@
 pub mod day01;
 pub mod day02;
+// pub mod day03;
+// pub mod day04;
+// pub mod day05;
+// pub mod day06;
+// pub mod day07;
+// pub mod day08;
+// pub mod day09;
+// pub mod day10;
+// pub mod day11;
+// pub mod day12;
+// pub mod day13;
+// pub mod day14;
+// pub mod day15;
+// pub mod day16;
+// pub mod day17;
+// pub mod day18;
+// pub mod day19;
+// pub mod day20;
+// pub mod day21;
+// pub mod day22;
+// pub mod day23;
+// pub mod day24;
+// pub mod day25;
+
+type Part = fn();
+
+const DAYS: [(Part, Part); 2] = [
+    (day01::part1 as fn(), day01::part2 as fn()),
+    (day02::part1 as fn(), day02::part2 as fn()),
+    // (day03::part1 as fn(), day03::part2 as fn()),
+    // (day04::part1 as fn(), day04::part2 as fn()),
+    // (day05::part1 as fn(), day05::part2 as fn()),
+    // (day06::part1 as fn(), day06::part2 as fn()),
+    // (day07::part1 as fn(), day07::part2 as fn()),
+    // (day08::part1 as fn(), day08::part2 as fn()),
+    // (day09::part1 as fn(), day09::part2 as fn()),
+    // (day10::part1 as fn(), day10::part2 as fn()),
+    // (day11::part1 as fn(), day11::part2 as fn()),
+    // (day12::part1 as fn(), day12::part2 as fn()),
+    // (day13::part1 as fn(), day13::part2 as fn()),
+    // (day14::part1 as fn(), day14::part2 as fn()),
+    // (day15::part1 as fn(), day15::part2 as fn()),
+    // (day16::part1 as fn(), day16::part2 as fn()),
+    // (day17::part1 as fn(), day17::part2 as fn()),
+    // (day18::part1 as fn(), day18::part2 as fn()),
+    // (day19::part1 as fn(), day19::part2 as fn()),
+    // (day20::part1 as fn(), day20::part2 as fn()),
+    // (day21::part1 as fn(), day21::part2 as fn()),
+    // (day22::part1 as fn(), day22::part2 as fn()),
+    // (day23::part1 as fn(), day23::part2 as fn()),
+    // (day24::part1 as fn(), day24::part2 as fn()),
+    // (day25::part1 as fn(), day25::part2 as fn()),
+];
 
 fn main() {
-    day01::part1();
-    day01::part2();
-    day02::part1();
-    day02::part2();
+    let args: Vec<String> = std::env::args().collect();
+    let day: usize = args
+        .get(1)
+        .expect("Please provide a day.")
+        .parse()
+        .expect("The day should be a number.");
+    if day < 1 || day > DAYS.len() {
+        panic!("That day hasn't been implemented yet!");
+    }
+    DAYS[day - 1].0();
+    DAYS[day - 1].1();
 }