Tweak to and fromPresrves for EmbeddedRef

src/preserves.nim

@@ -375,6 +375,8 @@ proc toPreserves*[T](x: T): Value {.gcsafe.} =
   elif T is Ordinal:
     result = Value(kind: pkRegister, register: x.ord)
     assert result.register.T == x
+  elif T is EmbeddedRef:
+    result = embed(x)
   elif T is ptr | ref:
     if system.`==`(x, nil): result = initRecord("null")
     else: result = toPreserves(x[])
@@ -660,9 +662,8 @@ proc fromPreserves*[T](v: var T; pr: Value): bool {.gcsafe.} =
           if not result: break
     else: discard
   elif T is EmbeddedRef:
-    if pr.kind == pkEmbedded and pr.embeddedRef of T:
-      v = T(pr.embeddedRef)
-      result = true
+    v = T(pr.embeddedRef)
+    result = true
   elif T is ref:
     if isNil(v): new(v)
     result = fromPreserves(v[], pr)