cannot use &(Cosmetic literal) (value of type *Cosmetic) as Product value in variable declaration: *Cosmetic does not implement Product (missing method Sale) (typecheck)

cannot use &(Sweets literal) (value of type *Sweets) as Product value in variable declaration: *Sweets does not implement Product (missing method Sale) (typecheck)

issues found

ubuntu-latest pipelines will use ubuntu-24.04 soon. For more details, see https://github.com/actions/runner-images/issues/10636