error_incompatible-add.gcc13

readable_add_incompatible.cpp:9:18: error: no match for ‘operator+’ (operand types are ‘units::length::meters<double>’ and ‘units::time::seconds<double>’)
    9 | auto bad = 1.0_m + 1.0_s; // ill-formed: cannot add length and time
      |            ~~~~~ ^ ~~~~~
      |            |       |
      |            |       units::time::seconds<double>
      |            units::length::meters<double>
readable_add_incompatible.cpp:9:18: note: there are 9 candidates
    9 | auto bad = 1.0_m + 1.0_s; // ill-formed: cannot add length and time