Question

If I have a vector of object vector, how can I check if A* myA is inside that vector?

Answer 1

Try this…

#include <algorithm>

bool in_vector(const std::vector<A*>& vec, const A* myA)
{
    std::vector<A*>::const_iterator end = vec.end();
    return std::find(vec.begin(), end, myA) != end;
}