lib: remove warnings on hash_debug, more_collections, ordered_tree, and poset

[nit.git] / lib / ordered_tree.nit

diff --git a/lib/ordered_tree.nit b/lib/ordered_tree.nit
index 34ca522..d64df28 100644 (file)
--- a/lib/ordered_tree.nit
+++ b/lib/ordered_tree.nit
@@ -54,7 +54,6 @@ class OrderedTree[E: Object]
        # Write a ASCII-style tree and use the `display` method to label elements
        redef fun write_to(stream: OStream)
        do
-               var last = roots.last
                for r in roots do
                        stream.write display(r)
                        stream.write "\n"