chore: add packages

.cargo/config.toml

@@ -0,0 +1,13 @@
+[alias]
+today = "run --quiet --release --features today -- today"
+scaffold = "run --quiet --release -- scaffold"
+download = "run --quiet --release -- download"
+read = "run --quiet --release -- read"
+
+solve = "run --quiet --release -- solve"
+all = "run --quiet --release -- all"
+time = "run --quiet --release -- time"
+
+[env]
+AOC_YEAR = "2025"
+

.gitignore

@@ -0,0 +1,31 @@
+# Generated by Cargo
+# will have compiled files and executables
+debug/
+target/
+
+# These are backup files generated by rustfmt
+**/*.rs.bk
+
+# MSVC Windows builds of rustc generate these, which store debugging information
+*.pdb
+
+
+# Added by cargo
+
+/target
+
+# Advent of Code
+# @see https://old.reddit.com/r/adventofcode/comments/k99rod/sharing_input_data_were_we_requested_not_to/gf2ukkf/?context=3
+
+data/inputs/*
+!data/inputs/.keep
+data/puzzles/*
+!data/puzzles/.keep
+
+# Dhat
+dhat-heap.json
+
+# Benchmarks
+
+data/timings.json
+

Cargo.lock

@@ -23,10 +23,21 @@ version = "0.12.0"
 dependencies = [
  "chrono",
  "dhat",
+ "itertools",
  "pico-args",
+ "regex",
  "tinyjson",
 ]
 
+[[package]]
+name = "aho-corasick"
+version = "1.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ddd31a130427c27518df266943a5308ed92d4b226cc639f5a8f1002816174301"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "android-tzdata"
 version = "0.1.1"
@@ -126,6 +137,12 @@ dependencies = [
  "thousands",
 ]
 
+[[package]]
+name = "either"
+version = "1.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "48c757948c5ede0e46177b7add2e67155f70e33c07fea8284df6576da70b3719"
+
 [[package]]
 name = "gimli"
 version = "0.28.1"
@@ -155,6 +172,15 @@ dependencies = [
  "cc",
 ]
 
+[[package]]
+name = "itertools"
+version = "0.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2b192c782037fadd9cfa75548310488aabdbf3d2da73885b31bd0abd03351285"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itoa"
 version = "1.0.9"
@@ -303,6 +329,35 @@ dependencies = [
  "bitflags",
 ]
 
+[[package]]
+name = "regex"
+version = "1.12.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "843bc0191f75f3e22651ae5f1e72939ab2f72a4bc30fa80a066bd66edefc24d4"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-automata",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-automata"
+version = "0.4.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5276caf25ac86c8d810222b3dbb938e512c55c6831a10f3e6ed1c93b84041f1c"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.8.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a2d987857b319362043e95f5353c0535c1f58eec5336fdfcf626430af7def58"
+
 [[package]]
 name = "rustc-demangle"
 version = "0.1.23"

Cargo.toml

@@ -28,3 +28,6 @@ pico-args = "0.5.0"
 tinyjson = "2.5.1"
 
 # Solution dependencies
+itertools = "0.14.0"
+regex = "1.12.2"
+

README.md

@@ -1,6 +1,6 @@
 <img src="./.assets/christmas_ferris.png" width="164">
 
-# 🎄 Advent of Code {year}
+# 🎄 Advent of Code 2025
 
 Solutions for [Advent of Code](https://adventofcode.com/) in [Rust](https://www.rust-lang.org/).
 

shell.nix

@@ -9,6 +9,7 @@ pkgs.mkShell {
   buildInputs = [
     pkgs.clippy
     pkgs.rustfmt
+    pkgs.aoc-cli
   ];
 }