1 files changed, 16 insertions, 18 deletions
diff --git a/src/Day02.kt b/src/Day02.kt
index 401c508..2eb085a 100644
--- a/src/Day02.kt
+++ b/src/Day02.kt
@@ -1,19 +1,14 @@
-/**
- * Given a list of correct command strings, dispatch [action] taking command name and argument on each of them.
- * @param commands list of valid command strings
- * @param action function taking a string (command name) and integer (argument) that gets called for each command
- */
-fun dispatchCommands(commands: List<String>, action: (command: String, argument: Int) -> Unit) {
-    for (line in commands) {
-        val parts = line.split(" ")
-        val command = parts[0]
-        val argument = parts[1].toInt()
-
-        action(command, argument)
+object Day02 {
+    private fun dispatchCommands(commands: List<String>, action: (command: String, argument: Int) -> Unit) {
+        for (line in commands) {
+            val parts = line.split(" ")
+            val command = parts[0]
+            val argument = parts[1].toInt()
+
+            action(command, argument)
+        }
     }
-}
 
-fun main() {
     fun part1(input: List<String>): Int {
         var horizontal = 0
         var depth = 0
@@ -40,6 +35,7 @@ fun main() {
                     horizontal += argument
                     depth += aim * argument
                 }
+
                 "down" -> aim += argument
                 "up" -> aim -= argument
             }
@@ -47,12 +43,14 @@ fun main() {
 
         return horizontal * depth
     }
+}
 
+fun main() {
     val testInput = readInputAsLines("Day02_test")
-    check(part1(testInput) == 150)
-    check(part2(testInput) == 900)
+    check(Day02.part1(testInput) == 150)
+    check(Day02.part2(testInput) == 900)
 
     val input = readInputAsLines("Day02")
-    println(part1(input))
-    println(part2(input))
+    println(Day02.part1(input))
+    println(Day02.part2(input))
 }