Remove optional from load result

Makes loading of data well-defined for arbitrary object contents.
Introduce zero reference and object to represent missing or mismatched
parts.

1 files changed, 4 insertions, 4 deletions

diff --git a/src/message.h b/src/message.h
index 7e0f597..c4a3549 100644
--- a/src/message.h
+++ b/src/message.h
@@ -19,13 +19,13 @@ namespace erebos {
 
 struct DirectMessageData
 {
-	static optional<DirectMessageData> load(const Ref &);
+	static DirectMessageData load(const Ref &);
 	Ref store(const Storage &) const;
 
 	vector<Stored<DirectMessageData>> prev;
-	Identity from;
-	ZonedTime time;
-	string text;
+	optional<Identity> from;
+	optional<ZonedTime> time;
+	optional<string> text;
 };
 
 struct DirectMessage::Priv