../libs/stl_interfaces/test/bidirectional.cpp:463:19: warning: ignoring return value of ???bool std::equal(_II1, _II1, _II2, _II2) [with _II1 = bidirectional_iter<int>; _II2 = bidirectional_iter<const int>]???, declared with attribute ???nodiscard??? [-Wunused-result]
../libs/stl_interfaces/test/bidirectional.cpp:473:19: warning: ignoring return value of ???bool std::equal(_II1, _II1, _II2, _II2) [with _II1 = adapted_bidirectional_ptr_iter<int>; _II2 = adapted_bidirectional_ptr_iter<const int>]???, declared with attribute ???nodiscard??? [-Wunused-result]
                

../libs/stl_interfaces/test/forward.cpp:259:15: warning: ignoring return value of ???bool std::equal(_II1, _II1, _II2, _II2) [with _II1 = forward_iter<int>; _II2 = forward_iter<const int>]???, declared with attribute ???nodiscard??? [-Wunused-result]
                

../libs/stl_interfaces/test/input.cpp:310:15: warning: ignoring return value of ???bool std::equal(_II1, _II1, _II2, _II2) [with _II1 = input_iter<int>; _II2 = input_iter<const int>]???, declared with attribute ???nodiscard??? [-Wunused-result]
                

../libs/stl_interfaces/test/random_access.cpp:673:19: warning: ignoring return value of ???bool std::equal(_II1, _II1, _II2, _II2) [with _II1 = random_access_iter<int>; _II2 = random_access_iter<const int>]???, declared with attribute ???nodiscard??? [-Wunused-result]
../libs/stl_interfaces/test/random_access.cpp:683:19: warning: ignoring return value of ???bool std::equal(_II1, _II1, _II2, _II2) [with _II1 = adapted_random_access_iter<int>; _II2 = adapted_random_access_iter<const int>]???, declared with attribute ???nodiscard??? [-Wunused-result]