vlib/v/checker/tests/generic_interface_err.vv:10:1: warning: unused variable: `i`
    8 | 
    9 | s := Struct{7}
   10 | i := Interface(s)
      | ^
vlib/v/checker/tests/generic_interface_err.vv:9:6: error: could not infer generic type `T` in generic struct `Struct[T]`
    7 | }
    8 | 
    9 | s := Struct{7}
      |      ~~~~~~~~~
   10 | i := Interface(s)
vlib/v/checker/tests/generic_interface_err.vv:10:6: error: can not find method `method` on `Struct`, needed for interface: `Interface`
    8 | 
    9 | s := Struct{7}
   10 | i := Interface(s)
      |      ~~~~~~~~~~~~