C++ (Cpp) Vector::reserveInitialCapacity示例

示例#1

        void callIfNeeded()
        {
            if (pendingCallbacks)
                return;

            RefPtr<CallbackAggregator> callbackAggregator(this);
            RunLoop::main().dispatch([callbackAggregator] {

                WTF::Vector<WebsiteDataRecord> records;
                records.reserveInitialCapacity(callbackAggregator->m_websiteDataRecords.size());

                for (auto& record : callbackAggregator->m_websiteDataRecords.values())
                    records.uncheckedAppend(WTF::move(record));

                callbackAggregator->completionHandler(WTF::move(records));
            });
        }