--- /dev/null
+import "StandardLibrary"
+import "Minigraph"
+
+main = withGraph do
+ a = resource "a"
+ b = map resource ["b0", "b1", "b2"]
+ r = map resource ["r0", "r1"]
+
+ enforce
+ Statement a (r!0) (b!0)
+ Statement a (r!0) (b!1)
+ Statement a (r!1) (b!1)
+ Statement a (r!1) (b!2)
+ sort $ map uriOf $ select ?x where
+ <|> Statement a (r!0) ?x
+ Statement a (r!1) ?x
+--
+[b0, b1, b1, b2]