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Use std::as_const (C++17 feature)

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This commit is contained in:
Mat Sutcliffe
2021-04-17 22:21:18 +01:00
parent 6d617f40a4
commit 33209fa1eb
42 changed files with 92 additions and 103 deletions
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16
samples/blackmisc/samplesperformance.cpp
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@@ -163,22 +163,22 @@ namespace BlackSample
QString containsStr("aaa");
number = 0;
timer.start();
for (const auto &str : as_const(strList1)) { if (newRegex.match(str).hasMatch()) number++; }
for (const auto &str : std::as_const(strList1)) { if (newRegex.match(str).hasMatch()) number++; }
ms = timer.elapsed();
out << "new regex matched " << number << " of" << strList1.size() << " strings in " << ms << "ms" << Qt::endl;
number = 0;
timer.start();
for (const auto &str : as_const(strList2)) { if (fullRegex.exactMatch(str)) number++; }
for (const auto &str : std::as_const(strList2)) { if (fullRegex.exactMatch(str)) number++; }
ms = timer.elapsed();
out << "full regex matched " << number << " of" << strList2.size() << " strings in " << ms << "ms" << Qt::endl;
number = 0;
timer.start();
for (const auto &str : as_const(strList3)) { if (wildcardRegex.exactMatch(str)) number++; }
for (const auto &str : std::as_const(strList3)) { if (wildcardRegex.exactMatch(str)) number++; }
ms = timer.elapsed();
out << "wildcard matched " << number << " of " << strList3.size() << " strings in " << ms << "ms" << Qt::endl;
number = 0;
timer.start();
for (const auto &str : as_const(strList4)) { if (str.contains(containsStr)) number++; }
for (const auto &str : std::as_const(strList4)) { if (str.contains(containsStr)) number++; }
ms = timer.elapsed();
out << "contains matched " << number << " of " << strList4.size() << " strings in " << ms << "ms" << Qt::endl;
@@ -361,7 +361,7 @@ namespace BlackSample
upperRegex.optimize();
timer.start();
for (const QString &s : as_const(strings))
for (const QString &s : std::as_const(strings))
{
auto c = containsChar(s, [](QChar c) { return c.isUpper(); });
Q_UNUSED(c);
@@ -369,7 +369,7 @@ namespace BlackSample
out << "Check 100,000 strings for containing uppercase letter: (utility) " << timer.elapsed() << "ms" << Qt::endl;
timer.start();
for (const QString &s : as_const(strings))
for (const QString &s : std::as_const(strings))
{
auto c = s.contains(upperRegex);
Q_UNUSED(c);
@@ -377,7 +377,7 @@ namespace BlackSample
out << "Check 100,000 strings for containing uppercase letter: (regex) " << timer.elapsed() << "ms" << endl << Qt::endl;
timer.start();
for (const QString &s : as_const(strings))
for (const QString &s : std::as_const(strings))
{
auto i = indexOfChar(s, [](QChar c) { return c.isUpper(); });
Q_UNUSED(i);
@@ -385,7 +385,7 @@ namespace BlackSample
out << "Check 100,000 strings for index of first uppercase letter: (utility) " << timer.elapsed() << "ms" << Qt::endl;
timer.start();
for (const QString &s : as_const(strings))
for (const QString &s : std::as_const(strings))
{
auto i = s.indexOf(upperRegex);
Q_UNUSED(i);