1  Error [ETYC0372043]: Cannot call a local transition function from a transition function.
 2      --> compiler-test:5:19
 3       |
 4     5 |            return adder(a, b);
 5       |                   ^^^^^^^^^^^
 6  Error [ETYC0372043]: Cannot call a local transition function from a transition function.
 7      --> compiler-test:7:20
 8       |
 9     7 |             return subber(a, b);
10       |                    ^^^^^^^^^^^^