v/vlib/v/checker/tests/unimplemented_interface_a.out

vlib/v/checker/tests/unimplemented_interface_a.vv:10:6: error: `Cat` doesn't implement method `name` of interface `Animal`
    8 | 
    9 | fn main() {
   10 |     foo(Cat{})
      |         ~~~~~
   11 | }