-- main.mcl --
import "iter"

$fn = func($x) { # ignore arg
	# XXX: copy() bug (performance) in the function graph, we see this "hey"
	# str node three times instead of just seeing it only once. Is it a bug?
	"hey"
}

test iter.map([1, 2, 3,], $fn) {}
-- OUTPUT --
Vertex: test[hey]