[c-prog] compiler error with predicates

[saurabh jain]

Hi,
  I am trying to compile this small piece of caose. But am getting some error. 
Can anyone assist in solving this?


// Code Begin //

#include<iostream>
#include<vector>
//#include <algorithm>

using namespace std;

//template <typename ss>
class test /*: public unary_function<int, bool>*/ {
    private: int i_;
    public:
        test(int i): i_(i){}
        bool operator()(int a) { cout << a << " i " << i_ << endl; }
};

int main()
{
    int a[] = {5,4,3,2,1};
    int i =0;
    vector<int> vi(a,a+5);
    bool t = for_each(vi.begin(), vi.end, test(i)); // line 21
    return 0;
}

////// End of Code ////

predicate.cpp: In function 'int main()':
predicate.cpp:21: error: no matching function for call to 
'for_each(__gnu_cxx::__normal_iterator<int*, std::vector<int, 
std::allocator<int> > >, <unresolved overloaded function type>, test)'

-----------------------------------------
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