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[kvp-frame.cpp] minor speedups

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reserve vector, cache iterator from m_valuemap.find for reuse
immediately afterwards.
This commit is contained in:
Christopher Lam
2022-03-18 11:04:11 +08:00
parent e0db8790af
commit 5388cc8e2c
1 changed files with 4 additions and 2 deletions
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6
libgnucash/engine/kvp-frame.cpp
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@@ -74,9 +74,10 @@ KvpFrame::get_child_frame_or_nullptr (Path const & path) noexcept
if (!path.size ())
return this;
auto key = path.front ();
if (m_valuemap.find (key.c_str ()) == m_valuemap.end ())
auto map_iter = m_valuemap.find (key.c_str ());
if (map_iter == m_valuemap.end ())
return nullptr;
auto child = m_valuemap.at (key.c_str ())->get <KvpFrame *> ();
auto child = map_iter->second->get <KvpFrame *> ();
Path send;
std::copy (path.begin () + 1, path.end (), std::back_inserter (send));
return child->get_child_frame_or_nullptr (send);
@@ -190,6 +191,7 @@ std::vector<std::string>
KvpFrameImpl::get_keys() const noexcept
{
std::vector<std::string> ret;
ret.reserve (m_valuemap.size());
std::for_each(m_valuemap.begin(), m_valuemap.end(),
[&ret](const KvpFrameImpl::map_type::value_type &a)
{