ATL / WTL / STL

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

using namespace std;

struct MyClass
{
    MyClass(int f, int s)
        : first(f), second(s) {}
    int first;
    int second;
};

ostream& operator<<(ostream& stream, const MyClass& m)
{
	return stream << "First: " << m.first << ", Second: " << m.second;
}

typedef pair<int, int> MyClassPair;

ostream& operator<<(ostream& stream, const MyClassPair& m)
{
	return stream << "First: " << m.first << ", Second: " << m.second;
}

int main(int argc, char* argv[])
{
    // Use ostream_iterator with MyClass (works)
    {
        vector<MyClass> coll;

        for (int i = 1; i <= 10; i++)
        {
            MyClass m(i, i);
            coll.push_back(m);
        }
    
        copy(coll.begin(), coll.end(),   
             ostream_iterator<MyClass>(cout,"\n"));
    }
    
    // Use ostream_iterator with MyClassPair (does not compile)
    {
        vector<MyClassPair> coll;

        for (int i = 1; i <= 10; i++)
        {
            MyClassPair m(i, i);
            coll.push_back(m);
        }
    
        copy(coll.begin(), coll.end(),           
             ostream_iterator<MyClassPair>(cout,"\n"));
    }

    return 0;
}

<br />
struct A<br />
{<br />
     BSTR bstrA;<br />
     BSTR bstrB;<br />
};<br />
<br />
struct B<br />
{<br />
     int countA;<br />
     [size_is(countA) A *a;<br />
};<br />
<br />
__interface IService<br />
{<br />
     HRESULT AllocateSomeBs([out] int *countB, [out, retval, size_is(, countB)] B **bs);<br />
};<br />

int i = 0;
std::vector<std::string> str_vect1;
std::vector<std::string> str_vect2;
std::vector<std::string>::iterator it1;
std::vector<std::string>::iterator it2;

// GET str_vect1
str_vect1.resize(5);
for(it1 = str_vect1.begin(), i = 0; it1 != str_vect1.end(); it1++, i++)
{
    cout << "str_vect1[" << i << "] = ";
    cin >> *it1;
}

// COPY str_vect1 into str_vect2
str_vect2.resize(str_vect1.size());
for(it1 = str_vect1.begin(), it2 = str_vect2.begin(); it1 != str_vect1.end(); it1++, it2++)
{
    *it2 = *it1;
}

// SHOW str_vect2
for(it2 = str_vect2.begin(), i = 0; it2 != str_vect2.end(); it2++, i++)
{
    cout << "str_vect2[" << i << "] = " << *it2 << endl;;
}