diff options
| -rw-r--r-- | decoder/tree_fragment.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/decoder/tree_fragment.h b/decoder/tree_fragment.h index ceb7fa60..f1c4c106 100644 --- a/decoder/tree_fragment.h +++ b/decoder/tree_fragment.h @@ -139,6 +139,10 @@ class BreadthFirstIterator : public std::iterator<std::forward_iterator_tag, uns q_.pop_back(); return *this; } + unsigned child_node() const { + assert(IsRHS(sym)); + return q_.back().node; + } BreadthFirstIterator remainder() const { assert(IsRHS(sym)); return BreadthFirstIterator(tf_, q_.back()); |