1 files changed, 49 insertions, 0 deletions
diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Utilities/Range.cs b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Utilities/Range.cs
new file mode 100644
index 0000000..745e742
--- /dev/null
+++ b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Utilities/Range.cs
@@ -0,0 +1,49 @@
+using System;
+using UnityEngine;
+
+namespace UnityEditor.Timeline
+{
+    struct Range
+    {
+        public double start;
+        public double end;
+        public double length { get { return end - start; } }
+
+        public static Range Union(Range lhs, Range rhs)
+        {
+            return new Range
+            {
+                start = Math.Min(lhs.start, rhs.start),
+                end = Math.Max(lhs.end, rhs.end)
+            };
+        }
+
+        public static Range Intersection(Range lhs, Range rhs)
+        {
+            var s = Math.Max(lhs.start, rhs.start);
+            var e = Math.Min(lhs.end, rhs.end);
+
+            if (s > e)
+            {
+                // No intersection returns a 0-length range from 0 to 0
+                return new Range();
+            }
+
+            return new Range
+            {
+                start = s,
+                end = e
+            };
+        }
+
+        public override string ToString()
+        {
+            return ToString("F3");
+        }
+
+        public string ToString(string format)
+        {
+            return UnityString.Format("({0}, {1})", start.ToString(format), end.ToString(format));
+        }
+    }
+}