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add a qHash for QUuid

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upstream commits:
55d68a16aa

Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
This commit is contained in:
Ivailo Monev 2016-05-31 16:31:23 +00:00
parent 55313deba2
commit 731802d03b
2 changed files with 13 additions and 0 deletions
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11
src/core/plugin/quuid.cpp
View file

@ -918,4 +918,15 @@ QUuid QUuid::createUuid()
guid; otherwise returns false.
*/
/**
Returns a hash of the QUuid
*/
uint qHash(const QUuid &uuid)
{
return uuid.data1 ^ uuid.data2 ^ (uuid.data3 << 16)
^ ((uuid.data4[0] << 24) | (uuid.data4[1] << 16) | (uuid.data4[2] << 8) | uuid.data4[3])
^ ((uuid.data4[4] << 24) | (uuid.data4[5] << 16) | (uuid.data4[6] << 8) | uuid.data4[7]);
}
QT_END_NAMESPACE

2
src/core/plugin/quuid.h
View file

@ -185,6 +185,8 @@ Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QUuid &);
Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QUuid &);
#endif
Q_CORE_EXPORT uint qHash(const QUuid &uuid);
QT_END_NAMESPACE
QT_END_HEADER