use primary constructor from c# 12

AOC2015/Day01.cs

@@ -1,11 +1,7 @@
 namespace AOC2015;
 
-public class Day01 : Day
+public class Day01() : Day(2015, 1, "Not Quite Lisp")
 {
-    public Day01() : base(2015, 1, "Not Quite Lisp")
-    {
-    }
-
     public override void ProcessInput()
     {
     }

AOC2015/Day02.cs

@@ -3,13 +3,9 @@ namespace AOC2015;
 /// <summary>
 /// Day 2: <a href="https://adventofcode.com/2015/day/2"/>
 /// </summary>
-public sealed class Day02 : Day
+public sealed class Day02() : Day(2015, 2, "I Was Told There Would Be No Math")
 {
     private List<List<int>>? _gifts;
-    
-    public Day02() : base(2015, 2, "I Was Told There Would Be No Math")
-    {
-    }
 
     public override void ProcessInput()
     {

AOC2015/Day03.cs

@@ -3,12 +3,8 @@ namespace AOC2015;
 /// <summary>
 /// Day 3: <a href="https://adventofcode.com/2015/day/3"/>
 /// </summary>
-public sealed class Day03 : Day
+public sealed class Day03() : Day(2015, 3, "Perfectly Spherical Houses in a Vacuum")
 {
-    public Day03() : base(2015, 3, "Perfectly Spherical Houses in a Vacuum")
-    {
-    }
-
     public override void ProcessInput()
     {
     }

AOC2015/Day04.cs

@@ -5,14 +5,10 @@ namespace AOC2015;
 /// <summary>
 /// Day 4: <a href="https://adventofcode.com/2015/day/4"/>
 /// </summary>
-public sealed class Day04 : Day
+public sealed class Day04() : Day(2015, 4, "The Ideal Stocking Stuffer")
 {
     private string? _key;
 
-    public Day04() : base(2015, 4, "The Ideal Stocking Stuffer")
-    {
-    }
-
     public override void ProcessInput()
     {
         _key = Input.First();

AOC2015/Day05.cs

@@ -3,15 +3,11 @@ namespace AOC2015;
 /// <summary>
 /// Day 5: <a href="https://adventofcode.com/2015/day/5"/>
 /// </summary>
-public sealed partial class Day05 : Day
+public sealed partial class Day05() : Day(2015, 5, "Doesn't He Have Intern-Elves For This?")
 {
     private static readonly List<char> Vowels = new() { 'a', 'e', 'i', 'o', 'u' };
     private List<string> _strings = new();
 
-    public Day05() : base(2015, 5, "Doesn't He Have Intern-Elves For This?")
-    {
-    }
-
     [GeneratedRegex(@"(.)\1")]
     private static partial Regex DoubleLetter();
 

AOC2015/Day06.cs

@@ -3,15 +3,11 @@ namespace AOC2015;
 /// <summary>
 /// Day 6: <a href="https://adventofcode.com/2015/day/6"/>
 /// </summary>
-public sealed partial class Day06 : Day
+public sealed partial class Day06() : Day(2015, 6, "Probably a Fire Hazard")
 {
     private readonly Dictionary<(int x, int y), int> _brightnessGrid = new();
     private readonly Dictionary<(int x, int y), bool> _lightGrid = new();
 
-    public Day06() : base(2015, 6, "Probably a Fire Hazard")
-    {
-    }
-
     [GeneratedRegex(@"(\d+),(\d+) through (\d+),(\d+)")]
     private static partial Regex Coords();
 

AOC2015/Day07.cs

@@ -3,15 +3,11 @@ namespace AOC2015;
 /// <summary>
 /// Day 7: <a href="https://adventofcode.com/2015/day/7"/>
 /// </summary>
-public sealed class Day07 : Day
+public sealed class Day07() : Day(2015, 7, "Some Assembly Required")
 {
     private readonly Dictionary<string, Func<ushort>> _actions = new();
     private readonly Dictionary<string, ushort> _wires = new();
 
-    public Day07() : base(2015, 7, "Some Assembly Required")
-    {
-    }
-
     public override void ProcessInput()
     {
     }

AOC2015/Day08.cs

@@ -3,21 +3,17 @@ namespace AOC2015;
 /// <summary>
 /// Day 8: <a href="https://adventofcode.com/2015/day/8"/>
 /// </summary>
-public sealed partial class Day08 : Day
+public sealed partial class Day08() : Day(2015, 8, "Matchsticks")
 {
-    public Day08() : base(2015, 8, "Matchsticks")
-    {
-    }
-
-    [GeneratedRegex(@"^""(\\x..|\\.|.)*""$")]
+    [GeneratedRegex("""^"(\\x..|\\.|.)*"$""")]
     private static partial Regex CharSet();
 
     public override void ProcessInput()
     {
     }
 
-    int CharCount(string arg) => CharSet().Match(arg).Groups[1].Captures.Count;
-    int EncodedCount(string arg) => 2 + arg.Sum(c => c is '\\' or '\"' ? 2 : 1);
+    private static int CharCount(string arg) => CharSet().Match(arg).Groups[1].Captures.Count;
+    private static int EncodedCount(string arg) => 2 + arg.Sum(c => c is '\\' or '\"' ? 2 : 1);
 
     public override object Part1() => Input.Sum(line => line.Length) - Input.Sum(CharCount);
 

AOC2015/Day09.cs

@@ -3,15 +3,11 @@ namespace AOC2015;
 /// <summary>
 /// Day 9: <a href="https://adventofcode.com/2015/day/9"/>
 /// </summary>
-public sealed class Day09 : Day
+public sealed class Day09() : Day(2015, 9, "All in a Single Night")
 {
     private readonly List<Distance> _distances = new();
     private int _shortest = int.MaxValue, _longest;
 
-    public Day09() : base(2015, 9, "All in a Single Night")
-    {
-    }
-
     public override void ProcessInput()
     {
         foreach (var split in Input.Select(line => line.Split(' ')))

AOC2015/Day10.cs

@@ -3,14 +3,10 @@ namespace AOC2015;
 /// <summary>
 /// Day 10: <a href="https://adventofcode.com/2015/day/10"/>
 /// </summary>
-public sealed class Day10 : Day
+public sealed class Day10() : Day(2015, 10, "Elves Look, Elves Say")
 {
     private string? _seed;
 
-    public Day10() : base(2015, 10, "Elves Look, Elves Say")
-    {
-    }
-
     public override void ProcessInput()
     {
         _seed = Input.First();

AOC2015/Day11.cs

@@ -3,14 +3,10 @@ namespace AOC2015;
 /// <summary>
 /// Day 11: <a href="https://adventofcode.com/2015/day/11"/>
 /// </summary>
-public sealed class Day11 : Day
+public sealed class Day11() : Day(2015, 11, "Corporate Policy")
 {
     private char[]? _password;
 
-    public Day11() : base(2015, 11, "Corporate Policy")
-    {
-    }
-
     public override void ProcessInput()
     {
         _password = Input.First().ToCharArray();

AOC2015/Day12.cs

@@ -6,12 +6,8 @@ namespace AOC2015;
 /// <summary>
 /// Day 12: <a href="https://adventofcode.com/2015/day/12"/>
 /// </summary>
-public sealed partial class Day12 : Day
+public sealed partial class Day12() : Day(2015, 12, "JSAbacusFramework.io")
 {
-    public Day12() : base(2015, 12, "JSAbacusFramework.io")
-    {
-    }
-
     [GeneratedRegex(@"-?\d+")]
     private static partial Regex Digits();
 

AOC2015/Day13.cs

@@ -5,25 +5,17 @@ namespace AOC2015;
 /// <summary>
 /// Day 13: <a href="https://adventofcode.com/2015/day/13"/>
 /// </summary>
-public sealed class Day13 : Day
+public sealed class Day13() : Day(2015, 13, "Knights of the Dinner Table")
 {
     private readonly Dictionary<(string person1, string person2), int> _happinessMap = new();
     private readonly List<string> _people = new();
 
-    public Day13() : base(2015, 13, "Knights of the Dinner Table")
-    {
-    }
-
     public override void ProcessInput()
     {
-        foreach (var line in Input)
-            AddToHappinessMap(line);
+        foreach (var line in Input) AddToHappinessMap(line);
     }
 
-    public override object Part1()
-    {
-        return ComputeHappiness();
-    }
+    public override object Part1() => ComputeHappiness();
 
     public override object Part2()
     {
@@ -68,7 +60,7 @@ public sealed class Day13 : Day
         return new() { items };
     }
 
-    public long ComputeHappiness()
+    private long ComputeHappiness()
     {
         var possibilities = BuildPermutations(_people);
 

AOC2015/Day14.cs

@@ -3,14 +3,10 @@ namespace AOC2015;
 /// <summary>
 /// Day 14: <a href="https://adventofcode.com/2015/day/14"/>
 /// </summary>
-public sealed class Day14 : Day
+public sealed class Day14() : Day(2015, 14, "Reindeer Olympics")
 {
     private List<Reindeer>? _reindeer;
 
-    public Day14() : base(2015, 14, "Reindeer Olympics")
-    {
-    }
-
     public override void ProcessInput()
     {
         _reindeer = Input.Select(i => new Reindeer(i)).ToList();

AOC2015/Day15.cs

@@ -3,15 +3,11 @@ namespace AOC2015;
 /// <summary>
 /// Day 15: <a href="https://adventofcode.com/2015/day/15"/>
 /// </summary>
-public sealed partial class Day15 : Day
+public sealed partial class Day15() : Day(2015, 15, "Science for Hungry People")
 {
     private int _best;
     private int _best500Cals;
 
-    public Day15() : base(2015, 15, "Science for Hungry People")
-    {
-    }
-
     [GeneratedRegex(@"-?\d+")]
     private static partial Regex Digits();
 

AOC2015/Day16.cs

@@ -3,12 +3,8 @@ namespace AOC2015;
 /// <summary>
 /// Day 16: <a href="https://adventofcode.com/2015/day/16"/>
 /// </summary>
-public sealed class Day16 : Day
+public sealed class Day16() : Day(2015, 16, "Aunt Sue")
 {
-    public Day16() : base(2015, 16, "Aunt Sue")
-    {
-    }
-
     public override void ProcessInput()
     {
     }

AOC2015/Day17.cs

@@ -3,15 +3,11 @@ namespace AOC2015;
 /// <summary>
 /// Day 17: <a href="https://adventofcode.com/2015/day/17"/>
 /// </summary>
-public sealed class Day17 : Day
+public sealed class Day17() : Day(2015, 17, "No Such Thing as Too Much")
 {
     private List<int>? _containers;
     private IEnumerable<List<int>>? _combinations;
 
-    public Day17() : base(2015, 17, "No Such Thing as Too Much")
-    {
-    }
-    
     public override void ProcessInput()
     {
         _containers = Input.Select(int.Parse).ToList();

AOC2015/Day19.cs

@@ -3,12 +3,8 @@ namespace AOC2015;
 /// <summary>
 /// Day 19: <a href="https://adventofcode.com/2015/day/19"/>
 /// </summary>
-public sealed class Day19 : Day
+public sealed class Day19() : Day(2015, 19, "Medicine for Rudolph")
 {
-    public Day19() : base(2015, 19, "Medicine for Rudolph")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2015/Day20.cs

@@ -3,12 +3,8 @@ namespace AOC2015;
 /// <summary>
 /// Day 20: <a href="https://adventofcode.com/2015/day/20"/>
 /// </summary>
-public sealed class Day20 : Day
+public sealed class Day20() : Day(2015, 20, "Infinite Elves and Infinite Houses")
 {
-    public Day20() : base(2015, 20, "Infinite Elves and Infinite Houses")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2015/Day21.cs

@@ -3,12 +3,8 @@ namespace AOC2015;
 /// <summary>
 /// Day 21: <a href="https://adventofcode.com/2015/day/21"/>
 /// </summary>
-public sealed class Day21 : Day
+public sealed class Day21() : Day(2015, 21, "RPG Simulator 20XX")
 {
-    public Day21() : base(2015, 21, "RPG Simulator 20XX")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2015/Day22.cs

@@ -3,12 +3,8 @@ namespace AOC2015;
 /// <summary>
 /// Day 22: <a href="https://adventofcode.com/2015/day/22"/>
 /// </summary>
-public sealed class Day22 : Day
+public sealed class Day22() : Day(2015, 22, "Wizard Simulator 20XX")
 {
-    public Day22() : base(2015, 22, "Wizard Simulator 20XX")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2015/Day23.cs

@@ -3,12 +3,8 @@ namespace AOC2015;
 /// <summary>
 /// Day 23: <a href="https://adventofcode.com/2015/day/23"/>
 /// </summary>
-public sealed class Day23 : Day
+public sealed class Day23() : Day(2015, 23, "Opening the Turing Lock")
 {
-    public Day23() : base(2015, 23, "Opening the Turing Lock")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2015/Day24.cs

@@ -3,12 +3,8 @@ namespace AOC2015;
 /// <summary>
 /// Day 24: <a href="https://adventofcode.com/2015/day/24"/>
 /// </summary>
-public sealed class Day24 : Day
+public sealed class Day24() : Day(2015, 24, "It Hangs in the Balance")
 {
-    public Day24() : base(2015, 24, "It Hangs in the Balance")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2015/Day25.cs

@@ -3,12 +3,8 @@ namespace AOC2015;
 /// <summary>
 /// Day 25: <a href="https://adventofcode.com/2015/day/25"/>
 /// </summary>
-public sealed class Day25 : Day
+public sealed class Day25() : Day(2015, 25, "Let It Snow")
 {
-    public Day25() : base(2015, 25, "Let It Snow")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2016/Day01.cs

@@ -3,12 +3,8 @@ namespace AOC2016;
 /// <summary>
 /// Day 1: <a href="https://adventofcode.com/2016/day/1"/>
 /// </summary>
-public sealed class Day01 : Day
+public sealed class Day01() : Day(2016, 1, "Puzzle Name")
 {
-    public Day01() : base(2016, 1, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2016/Day02.cs

@@ -3,12 +3,8 @@ namespace AOC2016;
 /// <summary>
 /// Day 2: <a href="https://adventofcode.com/2016/day/2"/>
 /// </summary>
-public sealed class Day02 : Day
+public sealed class Day02() : Day(2016, 2, "Puzzle Name")
 {
-    public Day02() : base(2016, 2, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2016/Day03.cs

@@ -3,12 +3,8 @@ namespace AOC2016;
 /// <summary>
 /// Day 3: <a href="https://adventofcode.com/2016/day/3"/>
 /// </summary>
-public sealed class Day03 : Day
+public sealed class Day03() : Day(2016, 3, "Puzzle Name")
 {
-    public Day03() : base(2016, 3, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2016/Day04.cs

@@ -3,12 +3,8 @@ namespace AOC2016;
 /// <summary>
 /// Day 4: <a href="https://adventofcode.com/2016/day/4"/>
 /// </summary>
-public sealed class Day04 : Day
+public sealed class Day04() : Day(2016, 4, "Puzzle Name")
 {
-    public Day04() : base(2016, 4, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2016/Day05.cs

@@ -3,12 +3,8 @@ namespace AOC2016;
 /// <summary>
 /// Day 5: <a href="https://adventofcode.com/2016/day/5"/>
 /// </summary>
-public sealed class Day05 : Day
+public sealed class Day05() : Day(2016, 5, "Puzzle Name")
 {
-    public Day05() : base(2016, 5, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2016/Day06.cs

@@ -3,12 +3,8 @@ namespace AOC2016;
 /// <summary>
 /// Day 6: <a href="https://adventofcode.com/2016/day/6"/>
 /// </summary>
-public sealed class Day06 : Day
+public sealed class Day06() : Day(2016, 6, "Puzzle Name")
 {
-    public Day06() : base(2016, 6, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2016/Day07.cs

@@ -3,12 +3,8 @@ namespace AOC2016;
 /// <summary>
 /// Day 7: <a href="https://adventofcode.com/2016/day/7"/>
 /// </summary>
-public sealed class Day07 : Day
+public sealed class Day07() : Day(2016, 7, "Puzzle Name")
 {
-    public Day07() : base(2016, 7, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2016/Day08.cs

@@ -3,12 +3,8 @@ namespace AOC2016;
 /// <summary>
 /// Day 8: <a href="https://adventofcode.com/2016/day/8"/>
 /// </summary>
-public sealed class Day08 : Day
+public sealed class Day08() : Day(2016, 8, "Puzzle Name")
 {
-    public Day08() : base(2016, 8, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2016/Day09.cs

@@ -3,12 +3,8 @@ namespace AOC2016;
 /// <summary>
 /// Day 9: <a href="https://adventofcode.com/2016/day/9"/>
 /// </summary>
-public sealed class Day09 : Day
+public sealed class Day09() : Day(2016, 9, "Puzzle Name")
 {
-    public Day09() : base(2016, 9, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2016/Day10.cs

@@ -3,12 +3,8 @@ namespace AOC2016;
 /// <summary>
 /// Day 10: <a href="https://adventofcode.com/2016/day/10"/>
 /// </summary>
-public sealed class Day10 : Day
+public sealed class Day10() : Day(2016, 10, "Puzzle Name")
 {
-    public Day10() : base(2016, 10, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2016/Day11.cs

@@ -3,12 +3,8 @@ namespace AOC2016;
 /// <summary>
 /// Day 11: <a href="https://adventofcode.com/2016/day/11"/>
 /// </summary>
-public sealed class Day11 : Day
+public sealed class Day11() : Day(2016, 11, "Puzzle Name")
 {
-    public Day11() : base(2016, 11, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2016/Day12.cs

@@ -3,12 +3,8 @@ namespace AOC2016;
 /// <summary>
 /// Day 12: <a href="https://adventofcode.com/2016/day/12"/>
 /// </summary>
-public sealed class Day12 : Day
+public sealed class Day12() : Day(2016, 12, "Puzzle Name")
 {
-    public Day12() : base(2016, 12, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2016/Day13.cs

@@ -3,12 +3,8 @@ namespace AOC2016;
 /// <summary>
 /// Day 13: <a href="https://adventofcode.com/2016/day/13"/>
 /// </summary>
-public sealed class Day13 : Day
+public sealed class Day13() : Day(2016, 13, "Puzzle Name")
 {
-    public Day13() : base(2016, 13, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2016/Day14.cs

@@ -3,12 +3,8 @@ namespace AOC2016;
 /// <summary>
 /// Day 14: <a href="https://adventofcode.com/2016/day/14"/>
 /// </summary>
-public sealed class Day14 : Day
+public sealed class Day14() : Day(2016, 14, "Puzzle Name")
 {
-    public Day14() : base(2016, 14, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2016/Day15.cs

@@ -3,12 +3,8 @@ namespace AOC2016;
 /// <summary>
 /// Day 15: <a href="https://adventofcode.com/2016/day/15"/>
 /// </summary>
-public sealed class Day15 : Day
+public sealed class Day15() : Day(2016, 15, "Puzzle Name")
 {
-    public Day15() : base(2016, 15, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2016/Day16.cs

@@ -3,12 +3,8 @@ namespace AOC2016;
 /// <summary>
 /// Day 16: <a href="https://adventofcode.com/2016/day/16"/>
 /// </summary>
-public sealed class Day16 : Day
+public sealed class Day16() : Day(2016, 16, "Puzzle Name")
 {
-    public Day16() : base(2016, 16, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2016/Day17.cs

@@ -3,12 +3,8 @@ namespace AOC2016;
 /// <summary>
 /// Day 17: <a href="https://adventofcode.com/2016/day/17"/>
 /// </summary>
-public sealed class Day17 : Day
+public sealed class Day17() : Day(2016, 17, "Puzzle Name")
 {
-    public Day17() : base(2016, 17, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2016/Day18.cs

@@ -3,12 +3,8 @@ namespace AOC2016;
 /// <summary>
 /// Day 18: <a href="https://adventofcode.com/2016/day/18"/>
 /// </summary>
-public sealed class Day18 : Day
+public sealed class Day18() : Day(2016, 18, "Puzzle Name")
 {
-    public Day18() : base(2016, 18, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2016/Day19.cs

@@ -3,12 +3,8 @@ namespace AOC2016;
 /// <summary>
 /// Day 19: <a href="https://adventofcode.com/2016/day/19"/>
 /// </summary>
-public sealed class Day19 : Day
+public sealed class Day19() : Day(2016, 19, "Puzzle Name")
 {
-    public Day19() : base(2016, 19, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2016/Day20.cs

@@ -3,12 +3,8 @@ namespace AOC2016;
 /// <summary>
 /// Day 20: <a href="https://adventofcode.com/2016/day/20"/>
 /// </summary>
-public sealed class Day20 : Day
+public sealed class Day20() : Day(2016, 20, "Puzzle Name")
 {
-    public Day20() : base(2016, 20, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2016/Day21.cs

@@ -3,12 +3,8 @@ namespace AOC2016;
 /// <summary>
 /// Day 21: <a href="https://adventofcode.com/2016/day/21"/>
 /// </summary>
-public sealed class Day21 : Day
+public sealed class Day21() : Day(2016, 21, "Puzzle Name")
 {
-    public Day21() : base(2016, 21, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2016/Day22.cs

@@ -3,12 +3,8 @@ namespace AOC2016;
 /// <summary>
 /// Day 22: <a href="https://adventofcode.com/2016/day/22"/>
 /// </summary>
-public sealed class Day22 : Day
+public sealed class Day22() : Day(2016, 22, "Puzzle Name")
 {
-    public Day22() : base(2016, 22, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2016/Day23.cs

@@ -3,12 +3,8 @@ namespace AOC2016;
 /// <summary>
 /// Day 23: <a href="https://adventofcode.com/2016/day/23"/>
 /// </summary>
-public sealed class Day23 : Day
+public sealed class Day23() : Day(2016, 23, "Puzzle Name")
 {
-    public Day23() : base(2016, 23, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2016/Day24.cs

@@ -3,12 +3,8 @@ namespace AOC2016;
 /// <summary>
 /// Day 24: <a href="https://adventofcode.com/2016/day/24"/>
 /// </summary>
-public sealed class Day24 : Day
+public sealed class Day24() : Day(2016, 24, "Puzzle Name")
 {
-    public Day24() : base(2016, 24, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2016/Day25.cs

@@ -3,12 +3,8 @@ namespace AOC2016;
 /// <summary>
 /// Day 25: <a href="https://adventofcode.com/2016/day/25"/>
 /// </summary>
-public sealed class Day25 : Day
+public sealed class Day25() : Day(2016, 25, "Puzzle Name")
 {
-    public Day25() : base(2016, 25, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2017/Day01.cs

@@ -3,12 +3,8 @@ namespace AOC2017;
 /// <summary>
 /// Day 1: <a href="https://adventofcode.com/2017/day/1"/>
 /// </summary>
-public sealed class Day01 : Day
+public sealed class Day01() : Day(2017, 1, "Puzzle Name")
 {
-    public Day01() : base(2017, 1, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2017/Day02.cs

@@ -3,12 +3,8 @@ namespace AOC2017;
 /// <summary>
 /// Day 2: <a href="https://adventofcode.com/2017/day/2"/>
 /// </summary>
-public sealed class Day02 : Day
+public sealed class Day02() : Day(2017, 2, "Puzzle Name")
 {
-    public Day02() : base(2017, 2, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2017/Day03.cs

@@ -3,12 +3,8 @@ namespace AOC2017;
 /// <summary>
 /// Day 3: <a href="https://adventofcode.com/2017/day/3"/>
 /// </summary>
-public sealed class Day03 : Day
+public sealed class Day03() : Day(2017, 3, "Puzzle Name")
 {
-    public Day03() : base(2017, 3, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2017/Day04.cs

@@ -3,12 +3,8 @@ namespace AOC2017;
 /// <summary>
 /// Day 4: <a href="https://adventofcode.com/2017/day/4"/>
 /// </summary>
-public sealed class Day04 : Day
+public sealed class Day04() : Day(2017, 4, "Puzzle Name")
 {
-    public Day04() : base(2017, 4, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2017/Day05.cs

@@ -3,12 +3,8 @@ namespace AOC2017;
 /// <summary>
 /// Day 5: <a href="https://adventofcode.com/2017/day/5"/>
 /// </summary>
-public sealed class Day05 : Day
+public sealed class Day05() : Day(2017, 5, "Puzzle Name")
 {
-    public Day05() : base(2017, 5, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2017/Day06.cs

@@ -3,12 +3,8 @@ namespace AOC2017;
 /// <summary>
 /// Day 6: <a href="https://adventofcode.com/2017/day/6"/>
 /// </summary>
-public sealed class Day06 : Day
+public sealed class Day06() : Day(2017, 6, "Puzzle Name")
 {
-    public Day06() : base(2017, 6, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2017/Day07.cs

@@ -3,12 +3,8 @@ namespace AOC2017;
 /// <summary>
 /// Day 7: <a href="https://adventofcode.com/2017/day/7"/>
 /// </summary>
-public sealed class Day07 : Day
+public sealed class Day07() : Day(2017, 7, "Puzzle Name")
 {
-    public Day07() : base(2017, 7, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2017/Day08.cs

@@ -3,12 +3,8 @@ namespace AOC2017;
 /// <summary>
 /// Day 8: <a href="https://adventofcode.com/2017/day/8"/>
 /// </summary>
-public sealed class Day08 : Day
+public sealed class Day08() : Day(2017, 8, "Puzzle Name")
 {
-    public Day08() : base(2017, 8, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2017/Day09.cs

@@ -3,12 +3,8 @@ namespace AOC2017;
 /// <summary>
 /// Day 9: <a href="https://adventofcode.com/2017/day/9"/>
 /// </summary>
-public sealed class Day09 : Day
+public sealed class Day09() : Day(2017, 9, "Puzzle Name")
 {
-    public Day09() : base(2017, 9, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2017/Day10.cs

@@ -3,12 +3,8 @@ namespace AOC2017;
 /// <summary>
 /// Day 10: <a href="https://adventofcode.com/2017/day/10"/>
 /// </summary>
-public sealed class Day10 : Day
+public sealed class Day10() : Day(2017, 10, "Puzzle Name")
 {
-    public Day10() : base(2017, 10, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2017/Day11.cs

@@ -3,12 +3,8 @@ namespace AOC2017;
 /// <summary>
 /// Day 11: <a href="https://adventofcode.com/2017/day/11"/>
 /// </summary>
-public sealed class Day11 : Day
+public sealed class Day11() : Day(2017, 11, "Puzzle Name")
 {
-    public Day11() : base(2017, 11, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2017/Day12.cs

@@ -3,12 +3,8 @@ namespace AOC2017;
 /// <summary>
 /// Day 12: <a href="https://adventofcode.com/2017/day/12"/>
 /// </summary>
-public sealed class Day12 : Day
+public sealed class Day12() : Day(2017, 12, "Puzzle Name")
 {
-    public Day12() : base(2017, 12, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2017/Day13.cs

@@ -3,12 +3,8 @@ namespace AOC2017;
 /// <summary>
 /// Day 13: <a href="https://adventofcode.com/2017/day/13"/>
 /// </summary>
-public sealed class Day13 : Day
+public sealed class Day13() : Day(2017, 13, "Puzzle Name")
 {
-    public Day13() : base(2017, 13, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2017/Day14.cs

@@ -3,12 +3,8 @@ namespace AOC2017;
 /// <summary>
 /// Day 14: <a href="https://adventofcode.com/2017/day/14"/>
 /// </summary>
-public sealed class Day14 : Day
+public sealed class Day14() : Day(2017, 14, "Puzzle Name")
 {
-    public Day14() : base(2017, 14, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2017/Day15.cs

@@ -3,12 +3,8 @@ namespace AOC2017;
 /// <summary>
 /// Day 15: <a href="https://adventofcode.com/2017/day/15"/>
 /// </summary>
-public sealed class Day15 : Day
+public sealed class Day15() : Day(2017, 15, "Puzzle Name")
 {
-    public Day15() : base(2017, 15, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2017/Day16.cs

@@ -3,12 +3,8 @@ namespace AOC2017;
 /// <summary>
 /// Day 16: <a href="https://adventofcode.com/2017/day/16"/>
 /// </summary>
-public sealed class Day16 : Day
+public sealed class Day16() : Day(2017, 16, "Puzzle Name")
 {
-    public Day16() : base(2017, 16, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2017/Day17.cs

@@ -3,12 +3,8 @@ namespace AOC2017;
 /// <summary>
 /// Day 17: <a href="https://adventofcode.com/2017/day/17"/>
 /// </summary>
-public sealed class Day17 : Day
+public sealed class Day17() : Day(2017, 17, "Puzzle Name")
 {
-    public Day17() : base(2017, 17, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2017/Day18.cs

@@ -3,12 +3,8 @@ namespace AOC2017;
 /// <summary>
 /// Day 18: <a href="https://adventofcode.com/2017/day/18"/>
 /// </summary>
-public sealed class Day18 : Day
+public sealed class Day18() : Day(2017, 18, "Puzzle Name")
 {
-    public Day18() : base(2017, 18, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2017/Day19.cs

@@ -3,12 +3,8 @@ namespace AOC2017;
 /// <summary>
 /// Day 19: <a href="https://adventofcode.com/2017/day/19"/>
 /// </summary>
-public sealed class Day19 : Day
+public sealed class Day19() : Day(2017, 19, "Puzzle Name")
 {
-    public Day19() : base(2017, 19, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2017/Day20.cs

@@ -3,12 +3,8 @@ namespace AOC2017;
 /// <summary>
 /// Day 20: <a href="https://adventofcode.com/2017/day/20"/>
 /// </summary>
-public sealed class Day20 : Day
+public sealed class Day20() : Day(2017, 20, "Puzzle Name")
 {
-    public Day20() : base(2017, 20, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2017/Day21.cs

@@ -3,12 +3,8 @@ namespace AOC2017;
 /// <summary>
 /// Day 21: <a href="https://adventofcode.com/2017/day/21"/>
 /// </summary>
-public sealed class Day21 : Day
+public sealed class Day21() : Day(2017, 21, "Puzzle Name")
 {
-    public Day21() : base(2017, 21, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2017/Day22.cs

@@ -3,12 +3,8 @@ namespace AOC2017;
 /// <summary>
 /// Day 22: <a href="https://adventofcode.com/2017/day/22"/>
 /// </summary>
-public sealed class Day22 : Day
+public sealed class Day22() : Day(2017, 22, "Puzzle Name")
 {
-    public Day22() : base(2017, 22, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2017/Day23.cs

@@ -3,12 +3,8 @@ namespace AOC2017;
 /// <summary>
 /// Day 23: <a href="https://adventofcode.com/2017/day/23"/>
 /// </summary>
-public sealed class Day23 : Day
+public sealed class Day23() : Day(2017, 23, "Puzzle Name")
 {
-    public Day23() : base(2017, 23, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2017/Day24.cs

@@ -3,12 +3,8 @@ namespace AOC2017;
 /// <summary>
 /// Day 24: <a href="https://adventofcode.com/2017/day/24"/>
 /// </summary>
-public sealed class Day24 : Day
+public sealed class Day24() : Day(2017, 24, "Puzzle Name")
 {
-    public Day24() : base(2017, 24, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2017/Day25.cs

@@ -3,12 +3,8 @@ namespace AOC2017;
 /// <summary>
 /// Day 25: <a href="https://adventofcode.com/2017/day/25"/>
 /// </summary>
-public sealed class Day25 : Day
+public sealed class Day25() : Day(2017, 25, "Puzzle Name")
 {
-    public Day25() : base(2017, 25, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2018/Day01.cs

@@ -3,12 +3,8 @@ namespace AOC2018;
 /// <summary>
 /// Day 1: <a href="https://adventofcode.com/2018/day/1"/>
 /// </summary>
-public sealed class Day01 : Day
+public sealed class Day01() : Day(2018, 1, "Chronal Calibration")
 {
-    public Day01() : base(2018, 1, "Chronal Calibration")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2018/Day02.cs

@@ -3,12 +3,8 @@ namespace AOC2018;
 /// <summary>
 /// Day 2: <a href="https://adventofcode.com/2018/day/2"/>
 /// </summary>
-public sealed class Day02 : Day
+public sealed class Day02() : Day(2018, 2, "Inventory Management System")
 {
-    public Day02() : base(2018, 2, "Inventory Management System")
-    {
-    }
-
     public override void ProcessInput()
     {
     }

AOC2018/Day03.cs

@@ -3,15 +3,11 @@ namespace AOC2018;
 /// <summary>
 /// Day 3: <a href="https://adventofcode.com/2018/day/3"/>
 /// </summary>
-public sealed partial class Day03 : Day
+public sealed partial class Day03() : Day(2018, 3, "No Matter How You Slice It")
 {
     private List<Claim>? _claims;
     private readonly Dictionary<(int x, int y), List<int>> _plots = new();
 
-    public Day03() : base(2018, 3, "No Matter How You Slice It")
-    {
-    }
-    
     [GeneratedRegex(@"\d+")]
     private static partial Regex Digits();
 

AOC2018/Day04.cs

@@ -3,12 +3,8 @@ namespace AOC2018;
 /// <summary>
 /// Day 4: <a href="https://adventofcode.com/2018/day/4"/>
 /// </summary>
-public sealed class Day04 : Day
+public sealed class Day04() : Day(2018, 4, "Puzzle Name")
 {
-    public Day04() : base(2018, 4, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2018/Day05.cs

@@ -3,12 +3,8 @@ namespace AOC2018;
 /// <summary>
 /// Day 5: <a href="https://adventofcode.com/2018/day/5"/>
 /// </summary>
-public sealed class Day05 : Day
+public sealed class Day05() : Day(2018, 5, "Puzzle Name")
 {
-    public Day05() : base(2018, 5, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2018/Day06.cs

@@ -3,12 +3,8 @@ namespace AOC2018;
 /// <summary>
 /// Day 6: <a href="https://adventofcode.com/2018/day/6"/>
 /// </summary>
-public sealed class Day06 : Day
+public sealed class Day06() : Day(2018, 6, "Puzzle Name")
 {
-    public Day06() : base(2018, 6, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2018/Day07.cs

@@ -3,12 +3,8 @@ namespace AOC2018;
 /// <summary>
 /// Day 7: <a href="https://adventofcode.com/2018/day/7"/>
 /// </summary>
-public sealed class Day07 : Day
+public sealed class Day07() : Day(2018, 7, "Puzzle Name")
 {
-    public Day07() : base(2018, 7, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2018/Day08.cs

@@ -3,12 +3,8 @@ namespace AOC2018;
 /// <summary>
 /// Day 8: <a href="https://adventofcode.com/2018/day/8"/>
 /// </summary>
-public sealed class Day08 : Day
+public sealed class Day08() : Day(2018, 8, "Puzzle Name")
 {
-    public Day08() : base(2018, 8, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2018/Day09.cs

@@ -3,12 +3,8 @@ namespace AOC2018;
 /// <summary>
 /// Day 9: <a href="https://adventofcode.com/2018/day/9"/>
 /// </summary>
-public sealed class Day09 : Day
+public sealed class Day09() : Day(2018, 9, "Puzzle Name")
 {
-    public Day09() : base(2018, 9, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2018/Day10.cs

@@ -3,12 +3,8 @@ namespace AOC2018;
 /// <summary>
 /// Day 10: <a href="https://adventofcode.com/2018/day/10"/>
 /// </summary>
-public sealed class Day10 : Day
+public sealed class Day10() : Day(2018, 10, "Puzzle Name")
 {
-    public Day10() : base(2018, 10, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2018/Day11.cs

@@ -3,12 +3,8 @@ namespace AOC2018;
 /// <summary>
 /// Day 11: <a href="https://adventofcode.com/2018/day/11"/>
 /// </summary>
-public sealed class Day11 : Day
+public sealed class Day11() : Day(2018, 11, "Puzzle Name")
 {
-    public Day11() : base(2018, 11, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2018/Day12.cs

@@ -3,12 +3,8 @@ namespace AOC2018;
 /// <summary>
 /// Day 12: <a href="https://adventofcode.com/2018/day/12"/>
 /// </summary>
-public sealed class Day12 : Day
+public sealed class Day12() : Day(2018, 12, "Puzzle Name")
 {
-    public Day12() : base(2018, 12, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2018/Day13.cs

@@ -3,12 +3,8 @@ namespace AOC2018;
 /// <summary>
 /// Day 13: <a href="https://adventofcode.com/2018/day/13"/>
 /// </summary>
-public sealed class Day13 : Day
+public sealed class Day13() : Day(2018, 13, "Puzzle Name")
 {
-    public Day13() : base(2018, 13, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2018/Day14.cs

@@ -3,12 +3,8 @@ namespace AOC2018;
 /// <summary>
 /// Day 14: <a href="https://adventofcode.com/2018/day/14"/>
 /// </summary>
-public sealed class Day14 : Day
+public sealed class Day14() : Day(2018, 14, "Puzzle Name")
 {
-    public Day14() : base(2018, 14, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2018/Day15.cs

@@ -3,12 +3,8 @@ namespace AOC2018;
 /// <summary>
 /// Day 15: <a href="https://adventofcode.com/2018/day/15"/>
 /// </summary>
-public sealed class Day15 : Day
+public sealed class Day15() : Day(2018, 15, "Puzzle Name")
 {
-    public Day15() : base(2018, 15, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2018/Day16.cs

@@ -3,12 +3,8 @@ namespace AOC2018;
 /// <summary>
 /// Day 16: <a href="https://adventofcode.com/2018/day/16"/>
 /// </summary>
-public sealed class Day16 : Day
+public sealed class Day16() : Day(2018, 16, "Puzzle Name")
 {
-    public Day16() : base(2018, 16, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2018/Day17.cs

@@ -3,12 +3,8 @@ namespace AOC2018;
 /// <summary>
 /// Day 17: <a href="https://adventofcode.com/2018/day/17"/>
 /// </summary>
-public sealed class Day17 : Day
+public sealed class Day17() : Day(2018, 17, "Puzzle Name")
 {
-    public Day17() : base(2018, 17, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2018/Day18.cs

@@ -3,12 +3,8 @@ namespace AOC2018;
 /// <summary>
 /// Day 18: <a href="https://adventofcode.com/2018/day/18"/>
 /// </summary>
-public sealed class Day18 : Day
+public sealed class Day18() : Day(2018, 18, "Puzzle Name")
 {
-    public Day18() : base(2018, 18, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2018/Day19.cs

@@ -3,12 +3,8 @@ namespace AOC2018;
 /// <summary>
 /// Day 19: <a href="https://adventofcode.com/2018/day/19"/>
 /// </summary>
-public sealed class Day19 : Day
+public sealed class Day19() : Day(2018, 19, "Puzzle Name")
 {
-    public Day19() : base(2018, 19, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2018/Day20.cs

@@ -3,12 +3,8 @@ namespace AOC2018;
 /// <summary>
 /// Day 20: <a href="https://adventofcode.com/2018/day/20"/>
 /// </summary>
-public sealed class Day20 : Day
+public sealed class Day20() : Day(2018, 20, "Puzzle Name")
 {
-    public Day20() : base(2018, 20, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2018/Day21.cs

@@ -3,12 +3,8 @@ namespace AOC2018;
 /// <summary>
 /// Day 21: <a href="https://adventofcode.com/2018/day/21"/>
 /// </summary>
-public sealed class Day21 : Day
+public sealed class Day21() : Day(2018, 21, "Puzzle Name")
 {
-    public Day21() : base(2018, 21, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2018/Day22.cs

@@ -3,12 +3,8 @@ namespace AOC2018;
 /// <summary>
 /// Day 22: <a href="https://adventofcode.com/2018/day/22"/>
 /// </summary>
-public sealed class Day22 : Day
+public sealed class Day22() : Day(2018, 22, "Puzzle Name")
 {
-    public Day22() : base(2018, 22, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2018/Day23.cs

@@ -3,12 +3,8 @@ namespace AOC2018;
 /// <summary>
 /// Day 23: <a href="https://adventofcode.com/2018/day/23"/>
 /// </summary>
-public sealed class Day23 : Day
+public sealed class Day23() : Day(2018, 23, "Puzzle Name")
 {
-    public Day23() : base(2018, 23, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2018/Day24.cs

@@ -3,12 +3,8 @@ namespace AOC2018;
 /// <summary>
 /// Day 24: <a href="https://adventofcode.com/2018/day/24"/>
 /// </summary>
-public sealed class Day24 : Day
+public sealed class Day24() : Day(2018, 24, "Puzzle Name")
 {
-    public Day24() : base(2018, 24, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2018/Day25.cs

@@ -3,12 +3,8 @@ namespace AOC2018;
 /// <summary>
 /// Day 25: <a href="https://adventofcode.com/2018/day/25"/>
 /// </summary>
-public sealed class Day25 : Day
+public sealed class Day25() : Day(2018, 25, "Puzzle Name")
 {
-    public Day25() : base(2018, 25, "Puzzle Name")
-    {
-    }
-    
     public override void ProcessInput()
     {
     }

AOC2019/Day01.cs

@@ -1,13 +1,9 @@
 namespace AOC2019;
 
-public sealed class Day01 : Day
+public sealed class Day01() : Day(2019, 1, "The Tyranny of the Rocket Equation")
 {
     private IEnumerable<int>? _masses;
 
-    public Day01() : base(2019, 1, "The Tyranny of the Rocket Equation")
-    {
-    }
-    
     public override void ProcessInput()
     {
         _masses = Input.Select(int.Parse);