Re: Template Help: Map<T, int> and Set<T>

From:
"Victor Bazarov" <v.Abazarov@comAcast.net>
Newsgroups:
comp.lang.c++
Date:
Wed, 7 Jun 2006 08:35:03 -0400
Message-ID:
<e66h5o$55s$1@news.datemas.de>
Stuart Moore wrote:

On 06/06/06 17:56, Victor Bazarov wrote:

This compiles for me (with proper includes):

template<class T> void increment_or_assign(std::map<T,int> &m,
                                           std::set<T> const& s)
{
    // whatever...
}


Thank you. It seems my problem is different to what I thought in that
case. As you say,

template <typename T>
void increment(map<T, int>& theMap, const set<T>& theSet){
};

compiles, but

template <typename T>
void increment(map<T, int>& theMap, const set<T>& theSet){
 set<T>::const_iterator itr;


Read about dependent names. And then add 'typename' before this
declaration.

};

Doesn't - instead I get

error: expected `;' before "itr"

Replacing T with a specific class all the way through compiles again.

How should I be obtaining an iterator for the set?


You almost got it right.

V
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