vlib/v/checker/tests/implements_keyword.vv:5:1: error: `CustomError` doesn't implement method `print_error` of interface `MyError`
    3 | }
    4 | 
    5 | struct CustomError implements MyError {
      | ~~~~~~~~~~~~~~~~~~
    6 | }
    7 |
vlib/v/checker/tests/implements_keyword.vv:15:1: error: `CustomError2` doesn't implement method `print_error` of interface `MyError`
   13 | }
   14 | 
   15 | struct CustomError2 implements MyError, MyError2 {
      | ~~~~~~~~~~~~~~~~~~~
   16 | }
   17 |
vlib/v/checker/tests/implements_keyword.vv:15:1: error: `CustomError2` doesn't implement method `print_error2` of interface `MyError2`
   13 | }
   14 | 
   15 | struct CustomError2 implements MyError, MyError2 {
      | ~~~~~~~~~~~~~~~~~~~
   16 | }
   17 |