-- main.mcl --
import "fmt"
test fmt.printf("%d%d", 42) {} # should not pass, missing second int
-- OUTPUT --
# err: errUnify: func `printf` infer error: number of args (1) doesn't match format string verb count (2): /main.mcl @ 2:6-2:28
func `printf` infer error: number of args (1) doesn't match format string verb count (2): /main.mcl @ 2:6-2:28

test fmt.printf("%d%d", 42) {} # should not pass, missing second int
     ^^^^^^^^^^^^^^^^^^^^^^
