adopt 2024 structure

.gitignore

@@ -4,4 +4,4 @@
 /*.xcodeproj
 .swiftpm
 .aoc-session
-Sources/Day*/*Input.swift
+Sources/Inputs/*Input.swift

LICENSE.md

@@ -1,4 +1,4 @@
-Copyright 2023 Gereon Steffens
+Copyright 2025 Gereon Steffens
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 

Package.resolved

@@ -1,13 +1,13 @@
 {
-  "originHash" : "bade67b167d95524e1f02f49472bc9d2d25b3f835dd08ea689d4c41b80b20d16",
+  "originHash" : "eb2a557cdbfedc2dcfdf31ab358b5d8840651b725f95588c23af3f3c0a9bc975",
   "pins" : [
     {
       "identity" : "aoctools",
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/gereons/AoCTools",
       "state" : {
-        "revision" : "d363eb88c324269a870d3fe233dd622c04ba3e60",
-        "version" : "0.1.6"
+        "revision" : "a84caf6b4974595bf255b906915767977ed731cb",
+        "version" : "0.1.7"
       }
     },
     {

Package.swift

@@ -6,7 +6,7 @@ let package = Package(
     name: "AdventOfCode",
     platforms: [ .macOS(.v15) ],
     dependencies: [
-        .package(url: "https://github.com/gereons/AoCTools", from: "0.1.6"),
+        .package(url: "https://github.com/gereons/AoCTools", from: "0.1.7"),
         // .package(path: "../AoCTools"),
     ],
     targets: [

Sources/AoC.swift

@@ -11,19 +11,21 @@ enum AdventOfCode {
     // assign to eg `.day(1)`, leave as nil to run the puzzle for the current calendar day
     static var defaultDay: Day? // = .day(1)
 
-    static func main() {
+    static func main() async {
         var day = defaultDay ?? today
 
         if CommandLine.argc > 1 {
             let arg = CommandLine.arguments[1]
             if let d = Int(arg), 1...25 ~= d {
                 day = .day(d)
             } else if arg == "all" {
-                day = .all
+                day = .allSequential
+            } else if arg == "all-parallel" {
+                day = .allParallel
             }
         }
 
-        run(day)
+        await run(day)
         Timer.showTotal()
     }
 
@@ -33,27 +35,37 @@ enum AdventOfCode {
         if components.month == 12 && 1...25 ~= day {
             return .day(day)
         }
-        return .all
+        return .allSequential
     }
 
-    private static func run(_ day: Day) {
+    private static func run(_ day: Day) async {
         switch day {
-        case .all:
+        case .allSequential:
             for day in days {
-                day.init(input: day.input).run()
+                await day.init(input: day.input).run()
+            }
+        case .allParallel:
+            await withTaskGroup(of: Void.self) { group in
+                for day in days {
+                    group.addTask {
+                        await day.init(input: day.input).run()
+                    }
+                }
+                for await _ in group {}
             }
         case .day(let day):
             let day = days[day - 1]
-            day.init(input: day.input).run()
+            await day.init(input: day.input).run()
         }
     }
 
     enum Day {
-        case all
+        case allSequential
+        case allParallel
         case day(Int)
     }
 
-    private static let days: [Runnable.Type] = [
+    private static let days: [any AdventOfCodeDay.Type] = [
         Day01.self, Day02.self, Day03.self, Day04.self, Day05.self,
         Day06.self, Day07.self, Day08.self, Day09.self, Day10.self,
         Day11.self, Day12.self, Day13.self, Day14.self, Day15.self,

Sources/Day01/Day01.swift → Sources/Day01.swift

@@ -6,7 +6,8 @@
 
 import AoCTools
 
-final class Day01: AOCDay {
+final class Day01: AdventOfCodeDay {
+    let title = "Trebuchet?!"
     let lines: [String]
 
     init(input: String) {

Sources/Day02/Day02.swift → Sources/Day02.swift

@@ -62,7 +62,8 @@ private struct Game {
     }
 }
 
-final class Day02: AOCDay {
+final class Day02: AdventOfCodeDay {
+    let title = "Cube Conundrum"
     private let games: [Game]
 
     init(input: String) {

Sources/Day03/Day03.swift → Sources/Day03.swift

@@ -26,7 +26,8 @@ private struct Number: Hashable {
     }
 }
 
-final class Day03: AOCDay {
+final class Day03: AdventOfCodeDay {
+    let title = "Gear Ratios"
     private let symbols: Set<Point>
     private let gears: Set<Point>
     private let numbers: Set<Number>

Sources/Day04/Day04.swift → Sources/Day04.swift

@@ -25,7 +25,8 @@ private struct Card {
     }
 }
 
-final class Day04: AOCDay {
+final class Day04: AdventOfCodeDay {
+    let title = "Scratchcards"
     private let cards: [Card]
 
     init(input: String) {

Sources/Day05/Day05.swift → Sources/Day05.swift

@@ -61,7 +61,8 @@ private struct Range {
     var isValid: Bool { from <= to }
 }
 
-final class Day05: AOCDay {
+final class Day05: AdventOfCodeDay {
+    let title = "If You Give A Seed A Fertilizer"
     private let almanac: Almanac
 
     init(input: String) {

Sources/Day06/Day06.swift → Sources/Day06.swift

@@ -34,7 +34,8 @@ private struct Race {
     }
 }
 
-final class Day06: AOCDay {
+final class Day06: AdventOfCodeDay {
+    let title = "Wait For It"
     private let races: [Race]
     private let part2Race: Race
 

Sources/Day07/Day07.swift → Sources/Day07.swift

@@ -114,7 +114,8 @@ extension Hand {
     }
 }
 
-final class Day07: AOCDay {
+final class Day07: AdventOfCodeDay {
+    let title = "Camel Cards"
     private let hands: [Hand]
 
     init(input: String) {

Sources/Day08/Day08.swift → Sources/Day08.swift

@@ -20,7 +20,8 @@ private struct Node: Hashable {
     }
 }
 
-final class Day08: AOCDay {
+final class Day08: AdventOfCodeDay {
+    let title = "Haunted Wasteland"
     let path: String
     private let nodes: [String: Node]
 

Sources/Day09/Day09.swift → Sources/Day09.swift

@@ -6,7 +6,8 @@
 
 import AoCTools
 
-final class Day09: AOCDay {
+final class Day09: AdventOfCodeDay {
+    let title = "Mirage Maintenance"
     let sequences: [[Int]]
 
     init(input: String) {

Sources/Day10/Day10.swift → Sources/Day10.swift

@@ -17,7 +17,8 @@ private enum Tile: Character {
     case start = "S"
 }
 
-final class Day10: AOCDay {
+final class Day10: AdventOfCodeDay {
+    let title = "Pipe Maze"
     private let field: [[Tile]]
 
     init(input: String) {

Sources/Day11/Day11.swift → Sources/Day11.swift

@@ -6,7 +6,9 @@
 
 import AoCTools
 
-final class Day11: AOCDay {
+final class Day11: AdventOfCodeDay {
+    let title = "Cosmic Expansion"
+
     let galaxies: [Point]
 
     init(input: String) {

Sources/Day12/Day12.swift → Sources/Day12.swift

@@ -28,7 +28,9 @@ private struct Row: Hashable {
     }
 }
 
-final class Day12: AOCDay {
+final class Day12: AdventOfCodeDay {
+    let title = "Hot Springs"
+
     private let rows: [Row]
 
     init(input: String) {

Sources/Day13/Day13.swift → Sources/Day13.swift

@@ -29,7 +29,9 @@ struct Pattern {
     }
 }
 
-final class Day13: AOCDay {
+final class Day13: AdventOfCodeDay {
+    let title = "Point of Incidence"
+
     let patterns: [Pattern]
 
     init(input: String) {

Sources/Day14/Day14.swift → Sources/Day14.swift

@@ -6,7 +6,9 @@
 
 import AoCTools
 
-final class Day14: AOCDay {
+final class Day14: AdventOfCodeDay {
+    let title = "Parabolic Reflector Dish"
+
     private let platform: [Point: Character]
     let maxX: Int
     let maxY: Int

Sources/Day15/Day15.swift → Sources/Day15.swift

@@ -15,7 +15,9 @@ private class Box {
     var lenses = [Lens]()
 }
 
-final class Day15: AOCDay {
+final class Day15: AdventOfCodeDay {
+    let title = "Lens Library"
+
     let tokens: [String]
 
     init(input: String) {

Sources/Day16/Day16.swift → Sources/Day16.swift

@@ -15,7 +15,9 @@ private struct Beam: Hashable {
     }
 }
 
-final class Day16: AOCDay {
+final class Day16: AdventOfCodeDay {
+    let title = "The Floor Will Be Lava"
+
     let grid: [[Character]]
     let maxX: Int
     let maxY: Int

Sources/Day17/Day17.swift → Sources/Day17.swift

@@ -68,7 +68,9 @@ private struct City: Pathfinding {
     }
 }
 
-final class Day17: AOCDay {
+final class Day17: AdventOfCodeDay {
+    let title = "Clumsy Crucible"
+
     private let grid: [[Int]]
     private var maxX: Int { grid[0].count }
     private var maxY: Int { grid.count }

Sources/Day18/Day18.swift → Sources/Day18.swift

@@ -23,7 +23,9 @@ private struct Dig {
     }
 }
 
-final class Day18: AOCDay {
+final class Day18: AdventOfCodeDay {
+    let title = "Lavaduct Lagoon"
+
     private let digs: [Dig]
 
     init(input: String) {

Sources/Day19/Day19.swift → Sources/Day19.swift

@@ -121,7 +121,9 @@ private struct Range {
     }
 }
 
-final class Day19: AOCDay {
+final class Day19: AdventOfCodeDay {
+    let title = "Aplenty"
+
     private let workflows: [String: Workflow]
     private let parts: [Part]
 

Sources/Day20/Day20.swift → Sources/Day20.swift

@@ -106,7 +106,9 @@ private final class Output: CommunicationsModule {
     // drop all input pulses
 }
 
-final class Day20: AOCDay {
+final class Day20: AdventOfCodeDay {
+    let title = "Pulse Propagation"
+
     private let modules: [String: CommunicationsModule]
 
     init(input: String) {

Sources/Day21/Day21.swift → Sources/Day21.swift

@@ -31,7 +31,9 @@ private struct Grid {
     }
 }
 
-final class Day21: AOCDay {
+final class Day21: AdventOfCodeDay {
+    let title = "Step Counter"
+
     private let grid: Grid
     let maxSteps: Int
 

Sources/Day22/Day22.swift → Sources/Day22.swift

@@ -57,7 +57,9 @@ private struct Brick {
     }
 }
 
-final class Day22: AOCDay {
+final class Day22: AdventOfCodeDay {
+    let title = "Sand Slabs"
+
     private let bricks: [Brick]
 
     init(input: String) {

Sources/Day23/Day23.swift → Sources/Day23.swift

@@ -29,7 +29,9 @@ private enum Tile: Equatable {
     }
 }
 
-final class Day23: AOCDay {
+final class Day23: AdventOfCodeDay {
+    let title = "A Long Walk"
+
     private let maze: [Point: Tile]
     private let start: Point
     private let end: Point

Sources/Day24/Day24.swift → Sources/Day24.swift

@@ -23,7 +23,9 @@ private struct Stone {
     }
 }
 
-final class Day24: AOCDay {
+final class Day24: AdventOfCodeDay {
+    let title = "Never Tell Me The Odds"
+
     private let stones: [Stone]
     private let range: ClosedRange<Double>
 

Sources/Day25/Day25.swift → Sources/Day25.swift

@@ -6,7 +6,9 @@
 
 import AoCTools
 
-final class Day25: AOCDay {
+final class Day25: AdventOfCodeDay {
+    let title = "Snowverload"
+
     let connections: [String: Set<String>]
 
     init(input: String) {

Tests/Day01Tests.swift

@@ -5,7 +5,6 @@
 import XCTest
 @testable import AdventOfCode
 
-@MainActor
 final class Day01Tests: XCTestCase {
     let testInput = """
 1abc2

Tests/Day02Tests.swift

@@ -5,7 +5,6 @@
 import XCTest
 @testable import AdventOfCode
 
-@MainActor
 final class Day02Tests: XCTestCase {
     let testInput = """
 Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green

Tests/Day03Tests.swift

@@ -5,7 +5,6 @@
 import XCTest
 @testable import AdventOfCode
 
-@MainActor
 final class Day03Tests: XCTestCase {
     let testInput = """
 467..114..