-- main.mcl --
import "fmt"

$list = ["a", "b", "c",]

$index = 42 # should be out of scope

for $index, $value in $list {

	$fn = func($x) {
		"hello " + $x
	}

	$s = fmt.printf("%s is %d", $fn($value), $index)
	test [$s,] {}
}

-- OUTPUT --
Vertex: test[hello a is 0]
Vertex: test[hello b is 1]
Vertex: test[hello c is 2]