-- main.mcl --
import "fmt"

$map = {0 => "a", 1 => "b", 2 => "c",}

$val = 42 # should be out of scope (also not the same type)

forkv $key, $val in $map {
	$s = fmt.printf("%s is %d", $val, $key)
	test [$s,] {}
}

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