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ordered_tree: avoid abort if subs is empty
[nit.git]
/
lib
/
ordered_tree.nit
diff --git
a/lib/ordered_tree.nit
b/lib/ordered_tree.nit
index
0b1d383
..
32cea45
100644
(file)
--- a/
lib/ordered_tree.nit
+++ b/
lib/ordered_tree.nit
@@
-149,6
+149,7
@@
class OrderedTree[E: Object]
do
if not sub.has_key(e) then return
var subs = sub[e]
+ if subs.is_empty then return
var last = subs.last
for e2 in subs do
if e2 != last then