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Prepare QVector::operator==() for sharing with QList::operator==()

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...by implementing it via std::equal().

This might also enable STL implementations to choose a
hand-optimized version of the algorithm for C++ builtin types.

Change-Id: I1347a7f365b3d2947f19a81b95aa8d89b8ad303d
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
This commit is contained in:
Marc Mutz 2014-08-18 20:30:55 +02:00 committed by Giuseppe D'Angelo
parent 023e6bd937
commit c6752c5aa1
1 changed files with 4 additions and 7 deletions
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11
src/corelib/tools/qvector.h
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@ -707,13 +707,10 @@ bool QVector<T>::operator==(const QVector<T> &v) const
return true;
if (d->size != v.d->size)
return false;
T* e = d->end();
T* i = d->begin();
T* vi = v.d->begin();
for (; i != e; ++i, ++vi)
if (!(*i == *vi))
return false;
return true;
const T *vb = v.d->begin();
const T *b = d->begin();
const T *e = d->end();
return std::equal(b, e, vb);
}
template <typename T>