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// clang+++ test.cpp -I /usr/include/qt/ -fPIC -lQt5Core -c
#include <QtCore/QHash>
#include <QtCore/QMap>
#include <QtCore/QSet>
#include <QtCore/QString>
QSet<QString *> values()
{
QSet<QString *> s;
return s;
}
QSet<QString *> keys()
{
QSet<QString *> s;
return s;
}
struct Foo {
QSet<QString *> values()
{
QSet<QString *> s;
return s;
}
QSet<QString *> doSomethingWithValues(const QList<QString*> &)
{
QSet<QString *> s;
return s;
}
};
int main()
{
QSet<QString *> s;
qDeleteAll(s);
qDeleteAll(s.begin(), s.end());
qDeleteAll(s.values()); // warning
QHash<int, QString *> h;
qDeleteAll(h);
qDeleteAll(h.begin(), h.end());
qDeleteAll(h.values()); // warning
QMap<int*, QString *> m;
qDeleteAll(m);
qDeleteAll(m.begin(), m.end());
qDeleteAll(m.values()); // warning
QMultiHash<int, QString *> mh;
qDeleteAll(mh);
qDeleteAll(mh.begin(), mh.end());
qDeleteAll(mh.values()); // warning
QMultiMap<int, QString *> mm;
qDeleteAll(mm);
qDeleteAll(mm.begin(), mm.end());
qDeleteAll(mm.values()); // warning
qDeleteAll(values()); // ok
Foo foo;
qDeleteAll(foo.values()); // ok
qDeleteAll(foo.doSomethingWithValues(h.values())); // ok
qDeleteAll(m.keys()); // warning
qDeleteAll(keys()); // ok
#if QT_VERSION_MAJOR == 5
qDeleteAll(h.values(1)); // OK, we have specified a key
#endif
qDeleteAll(mh.values(1)); // We only want to delete a subset of the container - ok
}
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