Unstable 0.15.15.0 (and the one before it I forgor)

Barotrauma/BarotraumaShared/SharedSource/Utils/Range.cs

@@ -1,8 +1,12 @@
+#nullable enable
 using System;
 
 namespace Barotrauma
 {
-    public struct Range<T> where T : IComparable
+    /// <summary>
+    /// An inclusive range, i.e. [Start, End] where Start <= End
+    /// </summary>
+    public struct Range<T> where T : notnull, IComparable<T>
     {
         private T start; private T end;
         public T Start
@@ -25,6 +29,9 @@ namespace Barotrauma
             }
         }
 
+        public bool Contains(in T v)
+            => start.CompareTo(v) <= 0 && end.CompareTo(v) >= 0;
+
         private void VerifyStartLessThanEnd()
         {
             if (start.CompareTo(end) > 0) { throw new InvalidOperationException($"Range<{typeof(T).Name}>.Start set to a value greater than End ({start} > {end})"); }