Only call get_last_child() if the node has children

Explain that the behaviour is otherwise undefined, in the comment.
2014-05-15 00:47:20 +02:00
parent 7c7da2cedb
commit df765faab9
2 changed files with 4 additions and 2 deletions
@@ -77,7 +77,9 @@ public:
  XmlNode* add_child(XmlNode* child);
  XmlNode* add_child(XmlNode&& child);
  /**
-   * Returns the last of the children
+   * Returns the last of the children. If the node doesn't have any child,
+   * the behaviour is undefined. The user should make sure this is the case
+   * by calling has_children() for example.
   */
  XmlNode* get_last_child() const;
  /**