Initial commit

PkmnLib.Static/Utils/Errors/OutOfRange.cs

@@ -0,0 +1,11 @@
+using FluentResults;
+
+namespace PkmnLib.Static.Utils.Errors;
+
+public class OutOfRange : Error
+{
+    public OutOfRange(string hint, int index, int max)
+        : base($"{hint} index {index} is out of range. Must be between 0 and {max - 1}.")
+    {
+    }
+}