error: matrix! needs at least one row: `matrix![ctx, [a, b], [c, d]]`
--> tests/ui/matrix_empty.rs:3:14
|
3 | let _m = symplex::matrix![ctx,];
| ^^^^^^^^^^^^^^^^^^^^^^
|
= note: this error originates in the macro `symplex::matrix` (in Nightly builds, run with -Z macro-backtrace for more info)