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C/C++ code:
#include <map>
using namespace std;

template<typename K, typename T>
class a
{
public:
map<K,T> _map;
T find(K v)
{
map<K,T>::iterator iter;
iter = _map.find(v);
if(iter != _map.end())
return iter->second;
else
return (T)0;
}
};
int main()
{
a<int, unsigned int> b;
return 0;
}

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test.cpp: In member function `T a <K, T>::find(K)':
test.cpp:11: error: expected `;' before "iter"
test.cpp:12: error: `iter' was not declared in this scope

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#include <map>
using namespace std;

template <typename K, typename T>
class a
{
public:
    map <K,T> _map;
    T find(K v)
    {
        typename map <K,T>::iterator iter;