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Preallocate slice, even if it will end up with fewer values

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This commit is contained in:
Till Faelligen 2022-04-12 17:33:11 +02:00
parent 1e57c01837
commit ab21c5c759
1 changed files with 2 additions and 1 deletions
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3
syncapi/streams/stream_pdu.go
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@ -468,8 +468,9 @@ func (p *PDUStreamProvider) lazyLoadMembers(
timelineUsers[event.Sender()] = struct{}{}
}
}
// Preallocate with the same amount, even if it will end up with fewer values
newStateEvents := make([]*gomatrixserverlib.HeaderedEvent, 0, len(stateEvents))
// Remove existing membership events we don't care about, e.g. users not in the timeline.events
newStateEvents := []*gomatrixserverlib.HeaderedEvent{}
for _, event := range stateEvents {
if event.Type() == gomatrixserverlib.MRoomMember && event.StateKey() != nil {
// If this is a gapped incremental sync, we still want this membership