ni_nitdoc: added custom title, footer, overview and menu options

[nit.git] / src / poset.nit

diff --git a/src/poset.nit b/src/poset.nit
index 65bd98a..58d4cb6 100644 (file)
--- a/src/poset.nit
+++ b/src/poset.nit
@@ -24,6 +24,7 @@ module poset
 #  * transitivity: `self.has_edge(e,f)' and `self.has_edge(f,g)' implies `self.has_edge(e,g)'
 class POSet[E: Object]
        super NaiveCollection[E]
+       super AbstractSorter[E]
 
        redef fun iterator do return nodes.iterator
 
@@ -154,7 +155,7 @@ class POSet[E: Object]
        # if a == b then return 0
        # else return -1 or 1
        # The total order is stable unless a new node or a new edge is added
-       fun compare(a, b: E): Int
+       redef fun compare(a, b: E): Int
        do
                var res = tos[a].length <=> tos[b].length
                if res != 0 then return res