define pair of iterator in template class with template parameter

Question

how can i define pair of iterator in template class with template parameter

template <typename S,typename T>
class pairMove :public pair<S,T>
{

private:
    pair< multimap<S,T>::iterator , multimap<S,T>::iterator > pairIt;

i get this error in compile time

//Error 2 error C2923: 'std::pair' : 'std::multimap::iterator' is not a valid template type argument for parameter '_Ty1'

any solution to resolve my problem

Community · Accepted Answer · 2017-05-23 12:22:39Z

6

You miss the typename keyword:

pair<typename multimap<S,T>::iterator, typename multimap<S,T>::iterator> pairIt;
     ^^^^^^^^                          ^^^^^^^^

Note that, S and T are template types; and when they are used in combination with :: operator to get another dependent type, one has to use typename.

Another nice discussion about this topic.

edited May 23, 2017 at 12:22

CommunityBot

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answered Jan 3, 2012 at 9:19

iammilind

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