lib/standard/string: reverse iterator fix on substring. Fixes #709

[nit.git] / lib / standard / string.nit

diff --git a/lib/standard/string.nit b/lib/standard/string.nit
index b57a3a5..70cf816 100644 (file)
--- a/lib/standard/string.nit
+++ b/lib/standard/string.nit
@@ -364,7 +364,7 @@ abstract class Text
                        if iter.item.ascii > 32 then break
                        iter.next
                end
-               if iter.index == length then return self.empty
+               if iter.index < 0 then return self.empty
                return self.substring(0, iter.index + 1)
        end
 
@@ -1136,7 +1136,7 @@ private class FlatStringReverseIterator
                curr_pos = pos + tgt.index_from
        end
 
-       redef fun is_ok do return curr_pos >= 0
+       redef fun is_ok do return curr_pos >= target.index_from
 
        redef fun item do return target_items[curr_pos]