vlib/v/checker/tests/match_sumtype_type_invalid.vv:14:2: error: cannot use type `IoS` as type `byte`
   12 |
   13 | fn main() {
   14 |     match IoS(1) {
      |     ~~~~~~~~~~~~~~
   15 |         byte {
   16 |             println('not cool')
vlib/v/checker/tests/match_sumtype_type_invalid.vv:21:3: error: `Cat` doesn't implement method `speak`
   19 |     a := Animal(Dog{})
   20 |     match a {
   21 |         Cat {
      |         ~~~~~
   22 |             println('not cool either')
   23 |         }
