lib: for on maps require two parameters

[nit.git] / src / metamodel / partial_order.nit

diff --git a/src/metamodel/partial_order.nit b/src/metamodel/partial_order.nit
index 435e3d9..91b8f43 100644 (file)
--- a/src/metamodel/partial_order.nit
+++ b/src/metamodel/partial_order.nit
@@ -66,7 +66,7 @@ class PartialOrder[E: Object]
        do
                var s = new Buffer
                s.append(to_dot_header)
-               for e in _elements do
+               for e in _elements.values do
                        s.append(to_dot_node(e.value))
                        for d in e.direct_greaters do
                                s.append(to_dot_edge(e.value, d))
@@ -171,7 +171,7 @@ class PartialOrder[E: Object]
        protected fun compute_smallers_for(poe: PartialOrderElement[E], set: Set[E])
        do
                var e = poe.value
-               for s in _elements do
+               for s in _elements.values do
                        if s < e then
                                set.add(s.value)
                        end