unify day computations

2015/src/main/scala/Day01.scala

@@ -2,8 +2,7 @@ import scala.io.*
 
 object Day01 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   val start1: Long =
     System.currentTimeMillis

2015/src/main/scala/Day02.scala

@@ -2,8 +2,7 @@ import scala.io.*
 
 object Day02 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   val start1: Long =
     System.currentTimeMillis

2015/src/main/scala/Day03.scala

@@ -2,8 +2,7 @@ import scala.io.*
 
 object Day03 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   val start1: Long =
     System.currentTimeMillis

2015/src/main/scala/Day04.scala

@@ -2,8 +2,7 @@ import scala.io.*
 
 object Day04 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   val secret: String =
     "yzbqklnj"

2015/src/main/scala/Day06.scala

@@ -2,8 +2,7 @@ import scala.io.*
 
 object Day06 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   /** Modeling */
 

2015/src/main/scala/Day07.scala

@@ -3,8 +3,7 @@ import scala.io.*
 
 object Day07 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   /** Modeling */
 

2015/src/main/scala/Day08.scala

@@ -3,8 +3,7 @@ import scala.io.*
 
 object Day08 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   /** Modeling */
 

2015/src/main/scala/Day09.scala

@@ -3,8 +3,7 @@ import scala.io.*
 
 object Day09 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   val data: String =
     s"src/main/resources/input$day.txt"

2015/src/main/scala/Day10.scala

@@ -1,7 +1,6 @@
 object Day10 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   val input: String =
     "1113222113"

2015/src/main/scala/Day11.scala

@@ -3,8 +3,7 @@ import scala.io.*
 
 object Day11 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   val input: String =
     "hxbxwxba"

2015/src/main/scala/Day12.scala

@@ -3,8 +3,7 @@ import scala.io.*
 
 object Day12 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   /** Utilities */
 

2015/src/main/scala/Day13.scala

@@ -3,8 +3,7 @@ import scala.io.*
 
 object Day13 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
 
   /** Modeling */

2015/src/main/scala/Day14.scala

@@ -3,8 +3,7 @@ import scala.io.*
 
 object Day14 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
 
   /** Modeling */

2015/src/main/scala/Day15.scala

@@ -1,7 +1,6 @@
 object Day15 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
 
   /** Modeling */

2015/src/main/scala/Day16.scala

@@ -2,8 +2,7 @@ import Day15.{Ingredient, day}
 
 object Day16 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
 
   /** Modeling */

2015/src/main/scala/Day17.scala

@@ -2,8 +2,7 @@ import Day15.{Ingredient, day}
 
 object Day17 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   /** Input */
 

2015/src/main/scala/Day18.scala

@@ -2,8 +2,7 @@ import Day15.{Ingredient, day}
 
 object Day18 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   /** Input */
 

2015/src/main/scala/Day20.scala

@@ -2,8 +2,7 @@ object Day20 extends App:
 
   import scala.io.*
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   /** Input */
 

2015/src/main/scala/Day21.scala

@@ -4,8 +4,7 @@ object Day21 extends App:
 
   import scala.io.*
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   /** Modeling */
 

2015/src/main/scala/Day22.scala

@@ -1,7 +1,6 @@
 object Day22 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   enum Spell(val cost: Int, val duration: Int):
     case MagicMissile extends Spell(53, 1)

2015/src/main/scala/Day23.scala

@@ -3,8 +3,7 @@ import scala.io.Source
 
 object Day23 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   type Register  = String
   type Registers = Map[Register,Int]

2015/src/main/scala/Day24.scala

@@ -2,8 +2,7 @@ import scala.io.Source
 
 object Day24 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   val weights: Vector[Long] =
     Source

2015/src/main/scala/Day25.scala

@@ -1,7 +1,6 @@
 object Day25 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   def indexOf(row: Int, column: Int): Int =
     val diagonal = row + column - 2

2017/src/main/scala/Day01.scala

@@ -2,8 +2,7 @@ import scala.io.*
 
 object Day01 extends App:
 
-  private val day: String =
-    this.getClass.getName.drop(3).init
+  private val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   private val input: Seq[Int] =
     Source

2018/src/main/scala/Day07.scala

@@ -4,8 +4,7 @@ import scala.io.*
 
 object Day07 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   def solve[A](edges: Vector[(A,A)], timer: A => Int, parallelization: Int)(using Ordering[A]): (Int,Vector[A]) =
 

2022/src/main/scala/Day01.scala

@@ -2,8 +2,7 @@ import scala.io._
 
 object Day01 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   val start1: Long =
     System.currentTimeMillis

2022/src/main/scala/Day02.scala

@@ -2,8 +2,7 @@ import scala.io.*
 
 object Day02 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   val start1: Long =
     System.currentTimeMillis

2022/src/main/scala/Day03.scala

@@ -2,8 +2,7 @@ import scala.io.*
 
 object Day03 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   val start1: Long =
     System.currentTimeMillis

2022/src/main/scala/Day04.scala

@@ -2,8 +2,7 @@ import scala.io.*
 
 object Day04 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   val sections: List[(Range,Range)] =
     Source

2022/src/main/scala/Day05.scala

@@ -5,8 +5,7 @@ import scala.util.*
 
 object Day05 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   val start1: Long =
     System.currentTimeMillis

2022/src/main/scala/Day06.scala

@@ -5,8 +5,7 @@ import scala.util.*
 
 object Day06 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   val start1: Long =
     System.currentTimeMillis

2022/src/main/scala/Day07.scala

@@ -2,8 +2,7 @@ import scala.io.Source
 
 object Day07 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   sealed trait Line
   case object LsLine                             extends Line

2022/src/main/scala/Day08.scala

@@ -2,8 +2,7 @@ import scala.io.Source
 
 object Day08 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   case class Pos(x: Int, y: Int)
 

2022/src/main/scala/Day15.scala

@@ -3,8 +3,7 @@ import scala.math.*
 
 object Day15 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   case class Pos(x: Int, y: Int)
 

2022/src/main/scala/Day19.scala

@@ -2,8 +2,7 @@ import scala.io.*
 
 object Day19 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   val input: Vector[Blueprint] =
     Source.fromResource(s"input$day.txt").getLines.map(Blueprint.fromString).toVector

2023/src/main/scala/Day01.scala

@@ -2,8 +2,7 @@ import scala.io.*
 
 object Day01 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   val values: List[String] =
     Source

2023/src/main/scala/Day02.scala

@@ -2,8 +2,7 @@ import scala.io.*
 
 object Day02 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   type Color = String
 

2023/src/main/scala/Day03.scala

@@ -3,8 +3,7 @@ import scala.io.*
 
 object Day03 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   case class Pos(x: Int, y: Int):
     def +(p: Pos): Pos =

2023/src/main/scala/Day04.scala

@@ -3,8 +3,7 @@ import scala.io.*
 
 object Day04 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   case class Card(id: Int, winning: Vector[Int], mine: Vector[Int]):
 

2023/src/main/scala/Day05.scala

@@ -5,8 +5,7 @@ import scala.io.*
 
 object Day05 extends App:
 
-  val day: String =
-    this.getClass.getName.drop(3).init
+  val day = getClass.getSimpleName.filter(_.isDigit).mkString
 
   case class Range(min: Long, max: Long):
     assert(min <= max)