refactor: use consistent double digit

make files properly sorted on github

2015/day1.scala → 2015/day01.scala

@@ -1,4 +1,4 @@
-package y2015.day1
+package `2015`.day01
 
 import prelude.*
 

2015/day1.test.scala → 2015/day01.test.scala

@@ -1,5 +1,5 @@
 import munit.FunSuite
-import y2015.day1.{part1, part2}
+import `2015`.day01.{part1, part2}
 
 class Day1Tests extends FunSuite:
   test("Part1"):

2015/day2.scala → 2015/day02.scala

@@ -1,4 +1,4 @@
-package y2015.day2
+package `2015`.day02
 
 import scala.io.BufferedSource
 

2015/day2.test.scala → 2015/day02.test.scala

@@ -1,6 +1,6 @@
 import munit.FunSuite
-import y2015.day2.{part1, part2}
-import y2015.day2.Box.parse
+import `2015`.day02.{part1, part2}
+import `2015`.day02.Box.parse
 
 class Day2Tests extends FunSuite:
   val a = parse("2x3x4")

2015/day3.scala → 2015/day03.scala

@@ -1,4 +1,4 @@
-package y2015.day3
+package `2015`.day03
 
 import scala.collection.mutable.HashSet
 

2015/day3.test.scala → 2015/day03.test.scala

@@ -1,5 +1,5 @@
 import munit.FunSuite
-import y2015.day3.{part1, part2}
+import `2015`.day03.{part1, part2}
 
 class Day3Tests extends FunSuite:
   test("Part1"):

2015/day4.scala → 2015/day04.scala

@@ -1,4 +1,4 @@
-package y2015.day4
+package `2015`.day04
 
 import prelude.*
 import java.security.MessageDigest

2015/day4.test.scala → 2015/day04.test.scala

@@ -1,5 +1,5 @@
 import munit.FunSuite
-import y2015.day4.{part1, part2}
+import `2015`.day04.{part1, part2}
 
 // Too slow
 @munit.IgnoreSuite

2015/day5.scala → 2015/day05.scala

@@ -1,4 +1,4 @@
-package y2015.day5
+package `2015`.day05
 
 import prelude.*
 import scala.util.matching.Regex

2015/day5.test.scala → 2015/day05.test.scala

@@ -1,5 +1,5 @@
 import munit.FunSuite
-import y2015.day5.{part1, part2}
+import `2015`.day05.{part1, part2}
 
 class Day5Tests extends FunSuite:
   test("Part1"):

2015/day6.scala → 2015/day06.scala

@@ -1,4 +1,4 @@
-package y2015.day6
+package `2015`.day06
 
 import prelude.*
 import prelude.parser.*

2015/day6.test.scala → 2015/day06.test.scala

@@ -1,5 +1,5 @@
 import munit.FunSuite
-import y2015.day6.*
+import `2015`.day06.*
 import utils.Point
 
 class Day6Tests extends FunSuite:

2015/day7.scala → 2015/day07.scala

@@ -1,4 +1,4 @@
-package y2015.day7
+package `2015`.day07
 
 import scala.collection.mutable.HashMap
 import prelude.*

2015/day7.test.scala → 2015/day07.test.scala

@@ -1,5 +1,5 @@
 import munit.FunSuite
-import y2015.day7.*
+import `2015`.day07.*
 import utils.uint.*
 
 class Day7Tests extends FunSuite:

2015/day8.scala → 2015/day08.scala

@@ -1,4 +1,4 @@
-package y2015.day8
+package `2015`.day08
 
 import prelude.*
 import scala.annotation.tailrec

2015/day8.test.scala → 2015/day08.test.scala

@@ -1,5 +1,5 @@
 import munit.FunSuite
-import y2015.day8.*
+import `2015`.day08.*
 
 class Day8Tests extends FunSuite:
   val xs = Vector(

2015/day9.scala → 2015/day09.scala

@@ -1,11 +1,11 @@
-package y2015.day9
+package `2015`.day09
 
 import prelude.*
 import prelude.parser.*
 
 import cats.parse.Parser
 
-import y2015.day7.Parser.keyword
+import `2015`.day07.Parser.keyword
 
 val city = alphas
 

2015/day10.scala

@@ -1,4 +1,4 @@
-package y2015.day10
+package `2015`.day10
 
 import prelude.*
 

2015/day10.test.scala

@@ -1,8 +1,8 @@
 import munit.FunSuite
-import y2015.day10.*
+import `2015`.day10.*
 
 class Day10Tests extends FunSuite:
   test("Part 1"):
     Vector("1", "11", "21", "1211", "111221", "312211")
       .sliding(2)
-      .map { case Vector(a, b) => assertEquals(nextNums(a), b) }
+      .collect { case Vector(a, b) => assertEquals(nextNums(a), b) }

2015/day11.scala

@@ -1,4 +1,4 @@
-package y2015.day11
+package `2015`.day11
 
 import prelude.*
 import scala.annotation.{nowarn, tailrec}

2015/day11.test.scala

@@ -1,5 +1,5 @@
 import munit.FunSuite
-import y2015.day11.*
+import `2015`.day11.*
 
 class Day11Tests extends FunSuite:
   test("Part 1"):

2015/day12.scala

@@ -1,4 +1,4 @@
-package y2015.day12
+package `2015`.day12
 
 import prelude.*
 

2015/day12.test.scala

@@ -1,5 +1,5 @@
 import munit.FunSuite
-import y2015.day12.*
+import `2015`.day12.*
 
 class Day12Tests extends FunSuite:
   def check(fn: ujson.Value => Int, name: String)(xs: Vector[(String, Int)])(

2015/day13.scala

@@ -1,4 +1,4 @@
-package y2015.day13
+package `2015`.day13
 
 import prelude.*
 

2015/day13.test.scala

@@ -1,5 +1,5 @@
 import munit.FunSuite
-import y2015.day13.*
+import `2015`.day13.*
 import prelude.*
 
 class Day13Tests extends FunSuite:

2015/day14.scala

@@ -1,4 +1,4 @@
-package y2015.day14
+package `2015`.day14
 
 import prelude.*
 

2015/day14.test.scala

@@ -1,5 +1,5 @@
 import munit.FunSuite
-import y2015.day14.*
+import `2015`.day14.*
 
 class Day14Tests extends FunSuite:
   val deers = Map(

2015/day15.scala

@@ -1,4 +1,4 @@
-package y2015.day15
+package `2015`.day15
 
 import prelude.*
 

2015/day15.test.scala

@@ -1,5 +1,5 @@
 import munit.FunSuite
-import y2015.day15.*
+import `2015`.day15.*
 import prelude.*
 
 class Day15Tests extends FunSuite:

2015/day16.scala

@@ -1,4 +1,4 @@
-package y2015.day16
+package `2015`.day16
 
 import prelude.*
 import prelude.parser.*

2015/day16.test.scala

@@ -1,8 +1,8 @@
-package y2015.day16
+package `2015`.day16
 
 import prelude.*
 import munit.FunSuite
-import y2015.day16.*
+import `2015`.day16.*
 
 val auntRight = Aunt(1, Map("goldfish" -> 9, "cars" -> 0, "samoyeds" -> 9))
 val auntEmpty = Aunt(1, Map.empty)

2022/day04.scala

@@ -1,4 +1,4 @@
-package y2022.day04
+package `2022`.day04
 
 import prelude.*
 

2022/day04.test.scala

@@ -1,9 +1,9 @@
-package y2022.day04
+package `2022`.day04
 
 import prelude.*
 
 import munit.FunSuite
-import y2022.day04.*
+import `2022`.day04.*
 
 class Tests extends FunSuite:
   test("range"):