json: explicitly set Json::Value type to objectValue

Proper Json::Value type would be set implicityl after the first map element is added. That's not going when the map is empty. Signed-off-by: Paweł Dziepak <[email protected]>
sarvex · Jul 9, 2015 · da52b5d · da52b5d
1 parent 290804b
commit da52b5d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/json.hh b/json.hh
@@ -12,7 +12,7 @@ namespace json {
 
 template<typename Map>
 inline sstring to_json(const Map& map) {
-    Json::Value root;
+    Json::Value root(Json::objectValue);
     for (auto&& kv : map) {
         root[kv.first] = Json::Value(kv.second);
     }