vlib/v/checker/tests/wrong_comptime_for_err.vv:28:7: warning: unused variable: `f`
   26 | 
   27 | 
   28 |     $for f in a.variants {
      |          ^
   29 |     }
   30 |
vlib/v/checker/tests/wrong_comptime_for_err.vv:31:7: warning: unused variable: `f`
   29 |     }
   30 | 
   31 |     $for f in T.variants {
      |          ^
   32 |     }
   33 | }
vlib/v/checker/tests/wrong_comptime_for_err.vv:28:12: error: Foo is not Sum type to use with .variants
   26 | 
   27 | 
   28 |     $for f in a.variants {
      |               ^
   29 |     }
   30 |
vlib/v/checker/tests/wrong_comptime_for_err.vv:31:12: error: $for expects a type name or variable name to be used here, but T is not a type or variable name
   29 |     }
   30 | 
   31 |     $for f in T.variants {
      |               ^
   32 |     }
   33 | }
