#include <list>
#include <type_traits>
 
template <typename Container>
class AwesomeClass
{
  public:
typedef typename std::common_type< Container > value_type;
 
bool firstUse;
 
Container *theList;
typename Container::iterator theIterator;
explicit AwesomeClass(Container &list):theList(&list)
{
}
};
int main() {
    // you can use typedef if you like
    typedef std::list<int> intList;
    intList list;
    AwesomeClass<intList> newInt(list);
}

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