weird parse error in template class

[Manuel Maria Diaz Gomez]

Hi everybody,

maybe you can give me a hint about the following problem:

I have a simple template class that stores pointers to variables in a map,
and publish the actual values when requested.

template<typename T>
class HighLevelMonitor {

public:

void declareMyVar(string, T*);
void publishAll();

private:

map<string, T*> monVarContainer;

};
In the following implementation, I get a " parse error before = " when
compiling coming form the line:
map<string, T*>::iterator it = monVarContainer.begin();

\*-------------------------------------------------*\
template <typename T>
void HighLevelMonitor<T>::publishAll()
\*-------------------------------------------------*\
{
cout <<"------------publishAll()------------" << endl;

map<string, T*>::iterator it = monVarContainer.begin();

for(; it != monVarContainer.end(); it++ ){

cout << it->first << " = " << *(it->second) << endl;
}
cout <<"---------------------------------------" << endl;
}
Any clue about why I get this error??
Regards

Manuel


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Manuel Diaz-Gomez | ATLAS Bldg. 32/SB-008 tel. [phone]
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[Gianni Mariani]

Manuel Maria Diaz Gomez wrote:

Hi everybody,

maybe you can give me a hint about the following problem: ....
map<string, T*>::iterator it = monVarContainer.begin();
typename map<string, T*>::iterator it = monVarContainer.begin();


Any clue about why I get this error??

When parsing a template, the compiler can't tell if what you're
referencing is a type or not and so needs some help. It is required by
the standard that you use "typename" to prefix the type expression when
the template is unable to determine the type.