IEnumerable instead of List

3 files changed, 3 insertions, 4 deletions

diff --git a/Day7.cs b/Day7.cs
index 9493b81..9391bdb 100644
--- a/Day7.cs
+++ b/Day7.cs
@@ -9,11 +9,10 @@ namespace aoc2019
     {
         public override int DayNumber => 7;
 
-        private readonly List<long> input;
         private readonly IntCodeVM[] Amplifiers = new IntCodeVM[5];
         public Day7()
         {
-            input = Input.First().Split(',').Select(long.Parse).ToList();
+            var input = Input.First().Split(',').Select(long.Parse);
             for (var i = 0; i < 5; i++) Amplifiers[i] = new IntCodeVM(input);
         }
 
diff --git a/Day9.cs b/Day9.cs
index 798d509..3f76256 100644
--- a/Day9.cs
+++ b/Day9.cs
@@ -12,7 +12,7 @@ namespace aoc2019
 
         public Day9()
         {
-            vm = new IntCodeVM(Input.First().Split(',').Select(long.Parse).ToList());
+            vm = new IntCodeVM(Input.First().Split(',').Select(long.Parse));
         }
 
         public override string Part1()
diff --git a/lib/IntCodeVM.cs b/lib/IntCodeVM.cs
index 92cd539..f7699c6 100644
--- a/lib/IntCodeVM.cs
+++ b/lib/IntCodeVM.cs
@@ -12,7 +12,7 @@ namespace aoc2019.lib
         private readonly long[] program;
         public Queue<long> input, output;
 
-        public IntCodeVM(List<long> tape)
+        public IntCodeVM(IEnumerable<long> tape)
         {
             i = 0;
             relbase = 0;