Add skeleton for 2022

2022/Cargo.toml

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+[package]
+name = "aoc_2022"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+anyhow = "1.0.66"
+clap = { version = "4.0.19", features = ["derive"] }
+nom = "7.1.1"
+
+[dev-dependencies]
+criterion = "0.4.0"
+
+[profile.release]
+# Keep debug information in release for better flamegraphs
+debug = true
+
+[profile.bench]
+# And same for benchmarking
+debug = true
+
+[[bench]]
+name = "days"
+harness = false

2022/benches/days.rs

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+use std::fs::File;
+use std::io::Read;
+
+use aoc_2022::get_implementation;
+use criterion::criterion_group;
+use criterion::criterion_main;
+use criterion::BenchmarkId;
+use criterion::Criterion;
+
+/// Number of days we have an implementation to benchmark
+const DAYS_IMPLEMENTED: u8 = 0;
+
+fn read_input(day: u8) -> Vec<u8> {
+    let input_path = format!("inputs/{:02}.txt", day);
+
+    let mut buffer = Vec::new();
+    File::open(input_path)
+        .expect("Failed to open input file")
+        .read_to_end(&mut buffer)
+        .expect("Failed to read input file");
+
+    buffer
+}
+
+pub fn benchmark_days(c: &mut Criterion) {
+    for day in 1..=DAYS_IMPLEMENTED {
+        let input = read_input(day);
+
+        let part1 = get_implementation(day, false).unwrap();
+
+        c.bench_with_input(BenchmarkId::new("part1", day), &input, |b, i| {
+            b.iter(|| part1(i));
+        });
+
+        if day < 25 {
+            let part2 = get_implementation(day, true).unwrap();
+
+            c.bench_with_input(BenchmarkId::new("part2", day), &input, |b, i| {
+                b.iter(|| part2(i));
+            });
+        }
+    }
+}
+
+criterion_group!(benches, benchmark_days);
+criterion_main!(benches);

2022/src/day01.rs

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+use anyhow::Result;
+
+pub fn part1(_input: &[u8]) -> Result<String> {
+    todo!()
+}
+
+pub fn part2(_input: &[u8]) -> Result<String> {
+    todo!()
+}

2022/src/day02.rs

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+use anyhow::Result;
+
+pub fn part1(_input: &[u8]) -> Result<String> {
+    todo!()
+}
+
+pub fn part2(_input: &[u8]) -> Result<String> {
+    todo!()
+}

2022/src/day03.rs

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+use anyhow::Result;
+
+pub fn part1(_input: &[u8]) -> Result<String> {
+    todo!()
+}
+
+pub fn part2(_input: &[u8]) -> Result<String> {
+    todo!()
+}

2022/src/day04.rs

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+use anyhow::Result;
+
+pub fn part1(_input: &[u8]) -> Result<String> {
+    todo!()
+}
+
+pub fn part2(_input: &[u8]) -> Result<String> {
+    todo!()
+}

2022/src/day05.rs

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+use anyhow::Result;
+
+pub fn part1(_input: &[u8]) -> Result<String> {
+    todo!()
+}
+
+pub fn part2(_input: &[u8]) -> Result<String> {
+    todo!()
+}

2022/src/day06.rs

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+use anyhow::Result;
+
+pub fn part1(_input: &[u8]) -> Result<String> {
+    todo!()
+}
+
+pub fn part2(_input: &[u8]) -> Result<String> {
+    todo!()
+}

2022/src/day07.rs

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+use anyhow::Result;
+
+pub fn part1(_input: &[u8]) -> Result<String> {
+    todo!()
+}
+
+pub fn part2(_input: &[u8]) -> Result<String> {
+    todo!()
+}

2022/src/day08.rs

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+use anyhow::Result;
+
+pub fn part1(_input: &[u8]) -> Result<String> {
+    todo!()
+}
+
+pub fn part2(_input: &[u8]) -> Result<String> {
+    todo!()
+}

2022/src/day09.rs

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+use anyhow::Result;
+
+pub fn part1(_input: &[u8]) -> Result<String> {
+    todo!()
+}
+
+pub fn part2(_input: &[u8]) -> Result<String> {
+    todo!()
+}

2022/src/day10.rs

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+use anyhow::Result;
+
+pub fn part1(_input: &[u8]) -> Result<String> {
+    todo!()
+}
+
+pub fn part2(_input: &[u8]) -> Result<String> {
+    todo!()
+}

2022/src/day11.rs

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+use anyhow::Result;
+
+pub fn part1(_input: &[u8]) -> Result<String> {
+    todo!()
+}
+
+pub fn part2(_input: &[u8]) -> Result<String> {
+    todo!()
+}

2022/src/day12.rs

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+use anyhow::Result;
+
+pub fn part1(_input: &[u8]) -> Result<String> {
+    todo!()
+}
+
+pub fn part2(_input: &[u8]) -> Result<String> {
+    todo!()
+}

2022/src/day13.rs

@@ -0,0 +1,9 @@
+use anyhow::Result;
+
+pub fn part1(_input: &[u8]) -> Result<String> {
+    todo!()
+}
+
+pub fn part2(_input: &[u8]) -> Result<String> {
+    todo!()
+}

2022/src/day14.rs

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+use anyhow::Result;
+
+pub fn part1(_input: &[u8]) -> Result<String> {
+    todo!()
+}
+
+pub fn part2(_input: &[u8]) -> Result<String> {
+    todo!()
+}

2022/src/day15.rs

@@ -0,0 +1,9 @@
+use anyhow::Result;
+
+pub fn part1(_input: &[u8]) -> Result<String> {
+    todo!()
+}
+
+pub fn part2(_input: &[u8]) -> Result<String> {
+    todo!()
+}

2022/src/day16.rs

@@ -0,0 +1,9 @@
+use anyhow::Result;
+
+pub fn part1(_input: &[u8]) -> Result<String> {
+    todo!()
+}
+
+pub fn part2(_input: &[u8]) -> Result<String> {
+    todo!()
+}

2022/src/day17.rs

@@ -0,0 +1,9 @@
+use anyhow::Result;
+
+pub fn part1(_input: &[u8]) -> Result<String> {
+    todo!()
+}
+
+pub fn part2(_input: &[u8]) -> Result<String> {
+    todo!()
+}

2022/src/day18.rs

@@ -0,0 +1,9 @@
+use anyhow::Result;
+
+pub fn part1(_input: &[u8]) -> Result<String> {
+    todo!()
+}
+
+pub fn part2(_input: &[u8]) -> Result<String> {
+    todo!()
+}

2022/src/day19.rs

@@ -0,0 +1,9 @@
+use anyhow::Result;
+
+pub fn part1(_input: &[u8]) -> Result<String> {
+    todo!()
+}
+
+pub fn part2(_input: &[u8]) -> Result<String> {
+    todo!()
+}

2022/src/day20.rs

@@ -0,0 +1,9 @@
+use anyhow::Result;
+
+pub fn part1(_input: &[u8]) -> Result<String> {
+    todo!()
+}
+
+pub fn part2(_input: &[u8]) -> Result<String> {
+    todo!()
+}

2022/src/day21.rs

@@ -0,0 +1,9 @@
+use anyhow::Result;
+
+pub fn part1(_input: &[u8]) -> Result<String> {
+    todo!()
+}
+
+pub fn part2(_input: &[u8]) -> Result<String> {
+    todo!()
+}

2022/src/day22.rs

@@ -0,0 +1,9 @@
+use anyhow::Result;
+
+pub fn part1(_input: &[u8]) -> Result<String> {
+    todo!()
+}
+
+pub fn part2(_input: &[u8]) -> Result<String> {
+    todo!()
+}

2022/src/day23.rs

@@ -0,0 +1,9 @@
+use anyhow::Result;
+
+pub fn part1(_input: &[u8]) -> Result<String> {
+    todo!()
+}
+
+pub fn part2(_input: &[u8]) -> Result<String> {
+    todo!()
+}

2022/src/day24.rs

@@ -0,0 +1,9 @@
+use anyhow::Result;
+
+pub fn part1(_input: &[u8]) -> Result<String> {
+    todo!()
+}
+
+pub fn part2(_input: &[u8]) -> Result<String> {
+    todo!()
+}

2022/src/day25.rs

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+use anyhow::Result;
+
+pub fn part1(_input: &[u8]) -> Result<String> {
+    todo!()
+}

2022/src/lib.rs

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+use anyhow::Result;
+
+mod day01;
+mod day02;
+mod day03;
+mod day04;
+mod day05;
+mod day06;
+mod day07;
+mod day08;
+mod day09;
+mod day10;
+mod day11;
+mod day12;
+mod day13;
+mod day14;
+mod day15;
+mod day16;
+mod day17;
+mod day18;
+mod day19;
+mod day20;
+mod day21;
+mod day22;
+mod day23;
+mod day24;
+mod day25;
+
+type Solution = fn(&[u8]) -> Result<String>;
+
+pub fn get_implementation(day: u8, part2: bool) -> Result<Solution> {
+    if !part2 {
+        match day {
+            1 => Ok(day01::part1),
+            2 => Ok(day02::part1),
+            3 => Ok(day03::part1),
+            4 => Ok(day04::part1),
+            5 => Ok(day05::part1),
+            6 => Ok(day06::part1),
+            7 => Ok(day07::part1),
+            8 => Ok(day08::part1),
+            9 => Ok(day09::part1),
+            10 => Ok(day10::part1),
+            11 => Ok(day11::part1),
+            12 => Ok(day12::part1),
+            13 => Ok(day13::part1),
+            14 => Ok(day14::part1),
+            15 => Ok(day15::part1),
+            16 => Ok(day16::part1),
+            17 => Ok(day17::part1),
+            18 => Ok(day18::part1),
+            19 => Ok(day19::part1),
+            20 => Ok(day20::part1),
+            21 => Ok(day21::part1),
+            22 => Ok(day22::part1),
+            23 => Ok(day23::part1),
+            24 => Ok(day24::part1),
+            25 => Ok(day25::part1),
+            _ => anyhow::bail!("Invalid day for part 1: {day}"),
+        }
+    } else {
+        match day {
+            1 => Ok(day01::part2),
+            2 => Ok(day02::part2),
+            3 => Ok(day03::part2),
+            4 => Ok(day04::part2),
+            5 => Ok(day05::part2),
+            6 => Ok(day06::part2),
+            7 => Ok(day07::part2),
+            8 => Ok(day08::part2),
+            9 => Ok(day09::part2),
+            10 => Ok(day10::part2),
+            11 => Ok(day11::part2),
+            12 => Ok(day12::part2),
+            13 => Ok(day13::part2),
+            14 => Ok(day14::part2),
+            15 => Ok(day15::part2),
+            16 => Ok(day16::part2),
+            17 => Ok(day17::part2),
+            18 => Ok(day18::part2),
+            19 => Ok(day19::part2),
+            20 => Ok(day20::part2),
+            21 => Ok(day21::part2),
+            22 => Ok(day22::part2),
+            23 => Ok(day23::part2),
+            24 => Ok(day24::part2),
+            _ => anyhow::bail!("Invalid day for part 2: {day}"),
+        }
+    }
+}

2022/src/main.rs

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+use std::fs::File;
+use std::io::Read;
+use std::num::NonZeroU8;
+use std::path::PathBuf;
+use std::time::Instant;
+
+use anyhow::Result;
+use clap::Parser;
+
+use aoc_2022::get_implementation;
+
+/// Advent of Code 2021 runner
+#[derive(Parser)]
+struct Opts {
+    /// Which day to run
+    day: NonZeroU8,
+
+    /// Print time taken
+    #[clap(short, long)]
+    time: bool,
+
+    /// Run part 2 instead of part 1
+    #[clap(short = '2', long)]
+    part2: bool,
+
+    /// Read input from the given file instead of stdin
+    #[clap(short, long)]
+    input: Option<PathBuf>,
+}
+
+impl Opts {
+    fn input_data(&self) -> Result<Vec<u8>> {
+        let mut buffer = Vec::new();
+
+        if let Some(input) = &self.input {
+            File::open(input)?.read_to_end(&mut buffer)?;
+        } else {
+            std::io::stdin().read_to_end(&mut buffer)?;
+        }
+
+        Ok(buffer)
+    }
+}
+
+fn main() -> Result<()> {
+    let opts: Opts = Opts::parse();
+
+    let input = opts.input_data()?;
+
+    let implementation = get_implementation(opts.day.get(), opts.part2)?;
+
+    let begin = Instant::now();
+    let result = implementation(&input)?;
+
+    if opts.time {
+        eprintln!("Execution time: {:?}", Instant::now().duration_since(begin));
+    }
+
+    println!("{}", result);
+    Ok(())
+}