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Frank Reininghaus authored
Storing values which are equivalent to default-constructed QVariants does not make much sense because QHash::value returns the same value even if the corresponding key is not found in the hash. This commit reduces Dolphin's memory consumption in large folders by up to 7.3% (tested a folder with 100,000 files in Details View) and reduces the time required for loading a folder. BUG: 323517 FIXED-IN: 4.11.1 REVIEW: 111922
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