import "fmt"

# note that the class can have two separate types for $b
include c1("t1", "hello") # len is 5
include c1("t2", [13, 42, 0, -37,]) # len is 4
class c1($a, $b) {
	test $a {
		anotherstr => fmt.printf("len is: %d", len($b)),
	}
}