Filter

Vector* FilterI(bool (*filter)(int), Vector* v){
    Vector* nv = MakeVector(0, INT);
    size_t size = GetSize(v);
    for (size_t i = 0; i < size; ++i) if (filter(GetDataI(v)[i])) PushBack(nv, &GetDataI(v)[i]);
    return nv;
}