Add toInts() in Utils for Day 1 #6

Original file line number	Diff line number	Diff line change
		@@ -1,17 +1,17 @@
		fun main() {
	fun part1(input: List<String>): Int {
	fun part1(input: List<Int>): Int {
		return input.size
		}

	fun part2(input: List<String>): Int {
	fun part2(input: List<Int>): Int {
		return input.size
		}

		// test if implementation meets criteria from the description, like:
	val testInput = readInput("Day01_test")
	val testInput = readInput("Day01_test").toInts()
		check(part1(testInput) == 1)

	val input = readInput("Day01")
	val input = readInput("Day01").toInts()
		println(part1(input))
		println(part2(input))
		}

5 changes: 5 additions & 0 deletions src/Utils.kt

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Original file line number	Diff line number	Diff line change
Expand Up		@@ -7,6 +7,11 @@ import java.security.MessageDigest
		*/
		fun readInput(name: String) = File("src", "$name.txt").readLines()

	/**
	* Converts `List<String>` to `List<Int>`
	*/
	fun List<String>.toInts() = map { it.toInt() }

		/**
		* Converts string to md5 hash.
		*/
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