Moved Signal() to MathExtensions

Utils/LinqExtensions.cs

@@ -1,17 +1,7 @@
 namespace AdventOfCode.Utils;
 
-public static class Extensions
+public static class LinqExtensions
 {
-    public static int Signal(this int x)
-    {
-        return x switch
-        {
-            < 0 => -1,
-            > 0 => 1,
-            _ => 0
-        };
-    }
-    
     /// <summary>
     /// Returns a slice of the given list
     /// </summary>

Utils/MathExtensions.cs

@@ -0,0 +1,14 @@
+namespace AdventOfCode.Utils;
+
+public static class MathExtensions
+{
+    public static int Signal(this int x)
+    {
+        return x switch
+        {
+            < 0 => -1,
+            > 0 => 1,
+            _ => 0
+        };
+    }
+}