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core: reserve vector sizes as much as we can (#9118)

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avoid reallocations as much as possible with a few edge cases where the
reservation overshoots a tiny bit. but a few bytes of memory short term
is better used then the overhead of potential reallocation.
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Tom Englund 2025-01-19 10:38:42 +00:00 • committed by GitHub
parent f56153a9c1
commit 4da9b7cc5b
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11 changed files with 45 additions and 12 deletions
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4
src/managers/KeybindManager.cpp
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@ -1891,9 +1891,7 @@ SDispatchResult CKeybindManager::workspaceOpt(std::string args) {
// apply
// we make a copy because changeWindowFloatingMode might invalidate the iterator
std::vector<PHLWINDOW> ptrs;
for (auto const& w : g_pCompositor->m_vWindows)
ptrs.push_back(w);
std::vector<PHLWINDOW> ptrs(g_pCompositor->m_vWindows.begin(), g_pCompositor->m_vWindows.end());
for (auto const& w : ptrs) {
if (!w->m_bIsMapped || w->m_pWorkspace != PWORKSPACE || w->isHidden())