2023: day01: part 1

Flake lock file updates:

• Updated input 'flake-utils':
    'github:numtide/flake-utils/5aed5285a952e0b949eb3ba02c12fa4fcfef535f' (2022-11-02)
  → 'github:numtide/flake-utils/ff7b65b44d01cf9ba6a71320833626af21126384' (2023-09-12)
• Added input 'flake-utils/systems':
    'github:nix-systems/default/da67096a3b9bf56a91d16901293e51ba5b49a27e' (2023-04-09)
• Updated input 'rust-overlay':
    'github:oxalica/rust-overlay/18823e511bc85ed27bfabe33cccecb389f9aa92d' (2022-12-05)
  → 'github:oxalica/rust-overlay/47fe4578cb64a365f400e682a70e054657c42fa5' (2023-12-02)
• Updated input 'rust-overlay/flake-utils':
    'github:numtide/flake-utils/c0e246b9b83f637f4681389ecabcb2681b4f3af0' (2022-08-07)
  → 'github:numtide/flake-utils/cfacdce06f30d2b68473a46042957675eebb3401' (2023-04-11)
• Added input 'rust-overlay/flake-utils/systems':
    'github:nix-systems/default/da67096a3b9bf56a91d16901293e51ba5b49a27e' (2023-04-09)
• Updated input 'rust-overlay/nixpkgs':
    'github:NixOS/nixpkgs/14ccaaedd95a488dd7ae142757884d8e125b3363' (2022-10-09)
  → 'github:NixOS/nixpkgs/96ba1c52e54e74c3197f4d43026b3f3d92e83ff9' (2023-04-13)

Cargo.lock

@@ -115,6 +115,15 @@ dependencies = [
  "criterion 0.4.0",
 ]
 
+[[package]]
+name = "aoc2023"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "aoc",
+ "criterion 0.4.0",
+]
+
 [[package]]
 name = "atty"
 version = "0.2.14"

Cargo.toml

@@ -1,7 +1,9 @@
 [workspace]
 members = ["aoc20*", "aoc20*/aoc20*_bench"]
 
-default-members = ["aoc2022"]
+default-members = ["aoc2023"]
+
+resolver = "2"
 
 [profile.release]
 debug = true

aoc2023/Cargo.toml

@@ -0,0 +1,21 @@
+[package]
+name = "aoc2023"
+version = "0.1.0"
+authors = ["Antoine Martin <antoine@alarsyo.net>"]
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+aoc = { path = "../aoc" }
+anyhow = "1.0"
+
+[dev-dependencies]
+criterion = { version = "0.4", default-features = false, features = [ "rayon" ] }
+
+[lib]
+path = "src/lib.rs"
+
+[[bin]]
+name = "aoc2023"
+path = "src/main.rs"

aoc2023/input/day01_provided.txt

@@ -0,0 +1,4 @@
+1abc2
+pqr3stu8vwx
+a1b2c3d4e5f
+treb7uchet

aoc2023/src/day01.rs

@@ -0,0 +1,50 @@
+use std::fmt::Write;
+
+use anyhow::Result;
+
+const INPUT: &str = include_str!("../input/day01.txt");
+
+pub fn run() -> Result<String> {
+    let mut res = String::with_capacity(128);
+
+    writeln!(res, "part 1: {}", part1(INPUT)?)?;
+    writeln!(res, "part 2: {}", part2(INPUT)?)?;
+
+    Ok(res)
+}
+
+fn part1(input: &str) -> Result<u64> {
+    let digit_list = input
+        .lines()
+        .map(|s| s.chars().filter(char::is_ascii_digit).collect::<String>());
+
+    Ok(digit_list
+        .map(|digits| {
+            let first = digits.chars().next().unwrap().to_digit(10).unwrap() as u64;
+            let last = digits.chars().last().unwrap().to_digit(10).unwrap() as u64;
+
+            first * 10 + last
+        })
+        .sum())
+}
+
+fn part2(input: &str) -> Result<u64> {
+    todo!()
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    const PROVIDED: &str = include_str!("../input/day01_provided.txt");
+
+    #[test]
+    fn part1_provided() {
+        assert_eq!(part1(PROVIDED).unwrap(), 142);
+    }
+
+    #[test]
+    fn part1_real() {
+        assert_eq!(part1(INPUT).unwrap(), 54697);
+    }
+}

aoc2023/src/lib.rs

@@ -0,0 +1 @@
+pub mod day01;

aoc2023/src/main.rs

@@ -0,0 +1,11 @@
+use anyhow::Result;
+
+use aoc::DayFunc;
+
+use aoc2023::day01;
+
+fn main() -> Result<()> {
+    let days: &[DayFunc] = &[day01::run];
+
+    aoc::run(days)
+}

flake.lock

@@ -1,12 +1,15 @@
 {
   "nodes": {
     "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
       "locked": {
-        "lastModified": 1667395993,
+        "lastModified": 1694529238,
-        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
+        "narHash": "sha256-zsNZZGTGnMOf9YpHKJqMSsa0dXbfmxeoJ7xHlrt+xmY=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
+        "rev": "ff7b65b44d01cf9ba6a71320833626af21126384",
         "type": "github"
       },
       "original": {
@@ -16,12 +19,15 @@
       }
     },
     "flake-utils_2": {
+      "inputs": {
+        "systems": "systems_2"
+      },
       "locked": {
-        "lastModified": 1659877975,
+        "lastModified": 1681202837,
-        "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
+        "narHash": "sha256-H+Rh19JDwRtpVPAWp64F+rlEtxUWBAQW28eAi3SRSzg=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
+        "rev": "cfacdce06f30d2b68473a46042957675eebb3401",
         "type": "github"
       },
       "original": {
@@ -32,27 +38,27 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1669834992,
+        "lastModified": 1701389149,
-        "narHash": "sha256-YnhZGHgb4C3Q7DSGisO/stc50jFb9F/MzHeKS4giotg=",
+        "narHash": "sha256-rU1suTIEd5DGCaAXKW6yHoCfR1mnYjOXQFOaH7M23js=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "596a8e828c5dfa504f91918d0fa4152db3ab5502",
+        "rev": "5de0b32be6e85dc1a9404c75131316e4ffbc634c",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-22.11",
+        "ref": "nixos-23.11",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1665296151,
+        "lastModified": 1681358109,
-        "narHash": "sha256-uOB0oxqxN9K7XGF1hcnY+PQnlQJ+3bP2vCn/+Ru/bbc=",
+        "narHash": "sha256-eKyxW4OohHQx9Urxi7TQlFBTDWII+F+x2hklDOQPB50=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "14ccaaedd95a488dd7ae142757884d8e125b3363",
+        "rev": "96ba1c52e54e74c3197f4d43026b3f3d92e83ff9",
         "type": "github"
       },
       "original": {
@@ -75,11 +81,11 @@
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1670207212,
+        "lastModified": 1701483183,
-        "narHash": "sha256-uuKbbv0L+QoXiqO7METP9BihY0F7hJqGdKn7xDVfyFw=",
+        "narHash": "sha256-MDH3oUajqTaYClCiq1QK7jWVMtMFDJWxVBCFAnkt6J4=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "18823e511bc85ed27bfabe33cccecb389f9aa92d",
+        "rev": "47fe4578cb64a365f400e682a70e054657c42fa5",
         "type": "github"
       },
       "original": {
@@ -87,6 +93,36 @@
         "repo": "rust-overlay",
         "type": "github"
       }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "systems_2": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
     }
   },
   "root": "root",

flake.nix

@@ -1,6 +1,6 @@
 {
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-22.11";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.11";
     rust-overlay.url = "github:oxalica/rust-overlay";
     flake-utils.url = "github:numtide/flake-utils";
   };