-- main.mcl --
import "fmt"

$list1 = ["a", "b", "c",]
$list2 = ["x", "y", "z",]

$word = "hello"

for $index1, $value1 in $list1 {

	class foo($x, $y) {
		$result = "hello " + $x + $y + $value1
		$result1 = $x + $value1
	}

	for $index2, $value2 in $list2 {

		include foo($value1, $value2) as included

		$s = fmt.printf("%s is {%d,%d}", $included.result, $index1, $index2)
		$s1 = fmt.printf("one: %s", $included.result1)
		test [$s, $s1,] {}
	}
}

-- OUTPUT --
Vertex: test[hello axa is {0,0}]
Vertex: test[hello aya is {0,1}]
Vertex: test[hello aza is {0,2}]
Vertex: test[hello bxb is {1,0}]
Vertex: test[hello byb is {1,1}]
Vertex: test[hello bzb is {1,2}]
Vertex: test[hello cxc is {2,0}]
Vertex: test[hello cyc is {2,1}]
Vertex: test[hello czc is {2,2}]
Vertex: test[one: aa]
Vertex: test[one: bb]
Vertex: test[one: cc]