/in/foo.cc: In member function 'void Vector3Array::selectSort()':
/in/foo.cc:59:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Vector3>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |         for (int i = 0; i < size() - 1; ++i) {
      |                         ~~^~~~~~~~~~~~
/in/foo.cc:61:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Vector3>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   61 |             for (int j = i; j < size(); ++j)
      |                             ~~^~~~~~~~