lib/string: faster substring for FlatBuffer

[nit.git] / lib / poset.nit

diff --git a/lib/poset.nit b/lib/poset.nit
index a5425dd..93afcf1 100644 (file)
--- a/lib/poset.nit
+++ b/lib/poset.nit
@@ -71,7 +71,7 @@ module poset
 #
 # Thanks to the `[]` method, elements can be considered relatively to the poset.
 # SEE `POSetElement`
-class POSet[E: Object]
+class POSet[E]
        super Collection[E]
        super Comparator
 
@@ -228,7 +228,7 @@ class POSet[E: Object]
        #
        # Nodes are labeled with their `to_s` so homonymous nodes may appear.
        # Edges are unlabeled.
-       fun write_dot(f: OStream)
+       fun write_dot(f: Writer)
        do
                f.write "digraph \{\n"
                var ids = new HashMap[E, Int]
@@ -258,7 +258,7 @@ class POSet[E: Object]
        # See `write_dot` for details.
        fun show_dot
        do
-               var f = new OProcess("dot", "-Txlib")
+               var f = new ProcessWriter("dot", "-Txlib")
                write_dot(f)
                f.close
                f.wait
@@ -379,7 +379,7 @@ end
 # # ...
 # t.in_some_relation.greaters
 # ~~~
-class POSetElement[E: Object]
+class POSetElement[E]
        # The poset self belong to
        var poset: POSet[E]