c:\qt\4.6.0\include\qtcore\../../src/corelib/tools/qhash.h(875) : error C2668: '
qHash' : ambiguous call to overloaded function
c:\qt\4.6.0\include\qtcore\../../src/corelib/tools/qhash.h(86): could be
'uint qHash(qint64)'
c:\qt\4.6.0\include\qtcore\../../src/corelib/tools/qhash.h(78): or
'uint qHash(quint64)'
c:\qt\4.6.0\include\qtcore\../../src/corelib/tools/qhash.h(77): or
'uint qHash(long)'
c:\qt\4.6.0\include\qtcore\../../src/corelib/tools/qhash.h(69): or
'uint qHash(ulong)'
c:\qt\4.6.0\include\qtcore\../../src/corelib/tools/qhash.h(68): or
'uint qHash(int)'
c:\qt\4.6.0\include\qtcore\../../src/corelib/tools/qhash.h(67): or
'uint qHash(uint)'
c:\qt\4.6.0\include\qtcore\../../src/corelib/tools/qhash.h(66): or
'uint qHash(short)'
c:\qt\4.6.0\include\qtcore\../../src/corelib/tools/qhash.h(65): or
'uint qHash(ushort)'
c:\qt\4.6.0\include\qtcore\../../src/corelib/tools/qhash.h(64): or
'uint qHash(signed char)'
c:\qt\4.6.0\include\qtcore\../../src/corelib/tools/qhash.h(63): or
'uint qHash(uchar)'
c:\qt\4.6.0\include\qtcore\../../src/corelib/tools/qhash.h(62): or
'uint qHash(char)'
while trying to match the argument list '(const qreal)'
c:\qt\4.6.0\include\qtcore\../../src/corelib/tools/qhash.h(873) : while
compiling class template member function 'QHashNode<Key,T> **QHash<Key,T>::findN
ode(const Key &,uint *) const'
with
[
Key=qreal,
T=QHashDummyValue
]
c:\qt\4.6.0\include\qtcore\../../src/corelib/tools/qhash.h(748) : while
compiling class template member function 'QHash<Key,T>::iterator QHash<Key,T>::i
nsert(const Key &,const T &)'
with
[
Key=qreal,
T=QHashDummyValue
]
c:\qt\4.6.0\include\qtcore\../../src/corelib/tools/qset.h(233) : see ref
erence to class template instantiation 'QHash<Key,T>' being compiled
with
[
Key=qreal,
T=QHashDummyValue
]
c:\qt\4.6.0\include\qtcore\../../src/corelib/tools/qset.h(305) : see ref
erence to class template instantiation 'QSet<T>' being compiled
with
[
T=qreal
]
c:\qt\4.6.0\include\qtcore\../../src/corelib/tools/qset.h(305) : while c
ompiling class template member function 'QSet<T> QList<T>::toSet(void) const'
with
[
T=qreal
]
c:\qwt-5.2.0\src\qwt_valuelist.h(48) : see reference to class template i
nstantiation 'QList<T>' being compiled
with
[
T=qreal
]
有几处都是这样的错误信息