1 files changed, 0 insertions, 32 deletions
diff --git a/2021-kotlin/src/Utils.kt b/2021-kotlin/src/Utils.kt
deleted file mode 100644
index f0a420b..0000000
--- a/2021-kotlin/src/Utils.kt
+++ /dev/null
@@ -1,32 +0,0 @@
-import java.io.File
-
-fun readInputAsLines(name: String): List<String> = File("src", "$name.txt").readLines()
-
-fun readInputAsString(name: String): String = File("src", "$name.txt").readText()
-
-fun readInputAsNumbers(name: String): List<Int> = readInputAsLines(name).map(String::toInt)
-
-fun readInputAsBitLists(name: String): List<List<Int>> =
-    readInputAsLines(name)
-        .map { binaryString -> binaryString.toList().map { bit -> bit.toString().toInt() } }
-
-data class Pos2D(val x: Int, val y: Int) {
-    companion object {
-        val directions4 = listOf(Pos2D(0, 1), Pos2D(1, 0), Pos2D(0, -1), Pos2D(-1, 0))
-        val directions8 = directions4 + listOf(
-            Pos2D(1, 1),
-            Pos2D(1, -1),
-            Pos2D(-1, -1),
-            Pos2D(-1, 1),
-        )
-    }
-
-    operator fun plus(other: Pos2D) = Pos2D(x + other.x, y + other.y)
-}
-
-fun parseToMap(input: List<String>): Map<Pos2D, Int> =
-    input.flatMapIndexed { y, line ->
-        line.mapIndexed { x, char ->
-            Pos2D(x, y) to char.toString().toInt()
-        }
-    }.toMap()