1 files changed, 20 insertions, 0 deletions

diff --git a/src/list.h b/src/list.h
index d16e606..f11336e 100644
--- a/src/list.h
+++ b/src/list.h
@@ -377,6 +377,16 @@ namespace Bu
                                 return *this;
                         }
 
+                        operator bool()
+                        {
+                                return pLink != NULL;
+                        }
+
+                        bool isValid()
+                        {
+                                return pLink != NULL;
+                        }
+
                         /**
                          * Assignment operator.
                          *@param oth (const iterator &) The other iterator to set this
@@ -499,6 +509,16 @@ namespace Bu
                                 pLink = oth.pLink;
                                 return *this;
                         }
+
+                        operator bool()
+                        {
+                                return pLink != NULL;
+                        }
+
+                        bool isValid()
+                        {
+                                return pLink != NULL;
+                        }
                 } const_iterator;
 
                 /**