[Interest] Strange problem in template class (Iterator as value type of a QHash)

Mandeep Sandhu mandeepsandhu.chd at gmail.com
Fri Aug 23 14:43:36 CEST 2013

Hi All,

I'm writing a template class which contains a QHash. Now if I try to store
an Iterator (of a QList) as the _value_ of this Hash then it fails to

Here's the sample code:

template <typename K, typename V>
class TemplateTest
        QHash<K, QLinkedList<V>::iterator > h;

    K k;
    V v;


templatetest.h:13: error: type/value mismatch at argument 2 in template
parameter list for 'template<class Key, class T> class QHash'
templatetest.h:13: error:   expected a type, got 'QLinkedList<V>::iterator'
templatetest.h:13: error: invalid type in declaration before ';' token

However, if I keep the value as a QList (remove iterator) it compile fine.

Whats the problem with storing a Iterator as the value?

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