QVariant Class | Qt Core 5.15.10
You can find out what type, T, the variant holds, convert it to a different type using convert(), get its value using one of the toT() functions ... swap (QVariant &other) Swaps variant other with this variant. This operation is very fast and never fails. ... Synonym for QHash<QString, QVariant>. This typedef was introduced in Qt 4.5.
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