what is wrong with this generic print function ?
#include <iostream>
#include <vector>
using namespace std;
template<typename T>
void printvec(vector<T> var)
{
for (vector<T>::iterator i=var.begin(); i!= var.end(); i++)
{
cout<<" value is "<<*i<<endl;
}
}
int main()
{
vector<int> vec;
vec.push_back(10);
vec.push_back(20);
vec.push_back(30);
vec.push_back(40);
printvec(vec);
}
+++++compiler error is++++
vector.cc: In function ?void printvec(std::vector<T,
std::allocator<_CharT> >)?:
vector.cc:10: error: expected `;' before ?i?
vector.cc:10: error: ?i? was not declared in this scope
vector.cc: In function ?void printvec(std::vector<T,
std::allocator<_CharT> >) [with T = int]?:
vector.cc:25: instantiated from here
vector.cc:10: error: dependent-name ?std::vector::iterator? is parsed
as a non-type, but instantiation yields a type
vector.cc:10: note: say ?typename std::vector::iterator? if a type is
meant
{ Short answer: use "typename" in front of "vector<T>::iterator". -mod/sk }
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