reflect/protoreflect: adjust ValueOf panic message
A common mistake is to pass proto.Message to protoreflect.ValueOf
instead of a protoreflect.Message. Specialize for this case
and provide a panic message that is more helpful.
Change-Id: I5def43341aa9607182edde309dea2823e61c1fdb
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/234117
Reviewed-by: Damien Neil <dneil@google.com>
diff --git a/reflect/protoreflect/value_union.go b/reflect/protoreflect/value_union.go
index f334f71..5a34147 100644
--- a/reflect/protoreflect/value_union.go
+++ b/reflect/protoreflect/value_union.go
@@ -85,6 +85,8 @@
return ValueOfEnum(v)
case Message, List, Map:
return valueOfIface(v)
+ case ProtoMessage:
+ panic(fmt.Sprintf("invalid proto.Message(%T) type, expected a protoreflect.Message type", v))
default:
panic(fmt.Sprintf("invalid type: %T", v))
}
