completed work on ActorPath parsing

Author: Aaronontheweb

src/core/Akka/Actor/ActorPath.cs

@@ -329,6 +329,15 @@ public static bool TryParse(string path, out ActorPath actorPath)
 
             if (!TryParseAddress(path, out var address, out var absoluteUri)) return false;
             var spanified = absoluteUri;
+
+            // check for Uri fragment here
+            var fragment = ReadOnlySpan<char>.Empty;
+            var fragLoc = spanified.IndexOf('#');
+            if (fragLoc > -1)
+            {
+                fragment = spanified.Slice(fragLoc + 1);
+                spanified = spanified.Slice(0, fragLoc);
+            }
             var nextSlash = 0;
 
             actorPath = new RootActorPath(address);
@@ -348,12 +357,11 @@ public static bool TryParse(string path, out ActorPath actorPath)
                 spanified = spanified.Slice(nextSlash + 1);
             } while (nextSlash >= 0);
 
-            //var fragmentLocation = 
-            //if (.StartsWith("#"))
-            //{
-            //    var uid = SpanHacks.Parse(uri.Fragment.AsSpan(1));
-            //    actorPath = actorPath.WithUid(uid);
-            //}
+            if (!fragment.IsEmpty)
+            {
+                var uid = SpanHacks.Parse(fragment);
+                actorPath = actorPath.WithUid(uid);
+            }
             return true;
         }
 
@@ -392,7 +400,7 @@ private static bool TryParseAddress(string path, out Address address, out ReadOn
                 return false;
 
             spanified = spanified.Slice(firstColonPos + 1);
-            if (!(spanified[0] == '/' && spanified[1] == '/'))
+            if (spanified.Length < 2 || !(spanified[0] == '/' && spanified[1] == '/'))
                 return false;
 
             spanified = spanified.Slice(2); // move past the double //