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[FileItemRolesUpdater] Reserve space in two temporary lists
Reserve sufficient space to avoid reallocation later. Overallocating actually requires less memory than growing and copying it, and it is freed immediately after anyway.
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@ -954,6 +954,8 @@ void KFileItemModelRolesUpdater::updateChangedItems()
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QList<int> visibleChangedIndexes;
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QList<int> invisibleChangedIndexes;
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visibleChangedIndexes.reserve(m_changedItems.size());
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invisibleChangedIndexes.reserve(m_changedItems.size());
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// Iterate over a const copy because items are deleted within the loop
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const auto changedItems = m_changedItems;
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