Reserve size of some containers we are filling

1 files changed, 1 insertions, 0 deletions

diff --git a/src/timeline/TimelineModel.h b/src/timeline/TimelineModel.h

index afb712da..b14c7a18 100644
--- a/src/timeline/TimelineModel.h
+++ b/src/timeline/TimelineModel.h
@@ -286,6 +286,7 @@ public:
     {
         auto list = events.reactions(event_id);
         std::vector<::Reaction> vec;
+        vec.reserve(list.size());
         for (const auto &r : list)
             vec.push_back(r.value<Reaction>());
         return vec;