No No No No

// Note: The following is all standard-conforming C++, this is not a hypothetical language extension.

 assert( top( o-------o
              |L       \
              | L       \
              |  o-------o
              |  !       !
              !  !       !
              o  |       !
               L |       !
                L|       !
                 o-------o ) == ( o-------o
                                  |       !
                                  !       !
                                  o-------o ) );

Multi-Dimensional Analog Literals