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Reserve space for vector

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Chocobo1 2021-07-05 15:55:41 +08:00
parent 7c23d800e6
commit 45e31a153c
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1 changed files with 2 additions and 1 deletions
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src/base/bittorrent/torrentimpl.cpp
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@ -797,7 +797,8 @@ QVector<DownloadPriority> TorrentImpl::filePriorities() const
const std::vector<lt::download_priority_t> fp = m_nativeHandle.get_file_priorities(); const std::vector<lt::download_priority_t> fp = m_nativeHandle.get_file_priorities();
QVector<DownloadPriority> ret; QVector<DownloadPriority> ret;
std::transform(fp.cbegin(), fp.cend(), std::back_inserter(ret), [](lt::download_priority_t priority) ret.reserve(fp.size());
std::transform(fp.cbegin(), fp.cend(), std::back_inserter(ret), [](const lt::download_priority_t priority)
{ {
return static_cast<DownloadPriority>(toLTUnderlyingType(priority)); return static_cast<DownloadPriority>(toLTUnderlyingType(priority));
}); });