nitg-s: retrieve recursively all partial generic types

[nit.git] / src / poset.nit

diff --git a/src/poset.nit b/src/poset.nit
index 99f5bde..65bd98a 100644 (file)
--- a/src/poset.nit
+++ b/src/poset.nit
@@ -35,6 +35,8 @@ class POSet[E: Object]
        private var dfroms: HashMap[E, Set[E]] = new HashMap[E, Set[E]]
        private var elements: HashMap[E, POSetElement[E]] = new HashMap[E, POSetElement[E]]
 
+       redef fun has(e) do return self.nodes.has(e)
+
        # Add a node (an element) to the posed
        # The new element is added unconnected to any other nodes (it is both a new root and a new leaf).
        # Return the POSetElement associated to `e'.