Refactor delete kd nodes method

diff --git a/src/rrtext8.cc b/src/rrtext8.cc
index 1fcdd169416689651e828df5483d24a6c9d1af41..a4d468bd93d628f34f035af8b729590c2daabf5f 100644 (file)
--- a/src/rrtext8.cc
+++ b/src/rrtext8.cc
@@ -9,12 +9,10 @@ RRTExt8::KdNode::KdNode(RRTNode *n)
 
 void RRTExt8::delete_kd_nodes(KdNode *n)
 {
-        if (!n)
+        if (n == nullptr)
                 return;
-        if (n->left() != nullptr)
-                delete_kd_nodes(n->left());
-        if (n->right() != nullptr)
-                delete_kd_nodes(n->right());
+        this->delete_kd_nodes(n->left());
+        this->delete_kd_nodes(n->right());
         delete n;
 }