1 files changed, 7 insertions, 3 deletions

diff --git a/src/unstable/blob.h b/src/unstable/blob.h
index d6c40e3..bda29d6 100644
--- a/src/unstable/blob.h
+++ b/src/unstable/blob.h
@@ -100,6 +100,8 @@ namespace Bu
             iterator &operator++();
             iterator &operator--( int32_t );
             iterator &operator--();
+            iterator &operator+=( int32_t iDelta );
+            iterator &operator-=( int32_t iDelta );
             iterator operator+( int32_t iDelta ) const;
             iterator operator-( int32_t iDelta ) const;
             bool operator==( const iterator &rRhs );
@@ -107,7 +109,7 @@ namespace Bu
             bool operator!=( const iterator &rRhs );
             bool operator!=( const const_iterator &rRhs );
 
-            iterator &operator=( iterator &rRhs );
+            iterator &operator=( const iterator &rRhs );
 
         private:
             Blob *pBlob;
@@ -136,6 +138,8 @@ namespace Bu
             const_iterator &operator++();
             const_iterator &operator--( int32_t );
             const_iterator &operator--();
+            const_iterator &operator+=( int32_t iDelta );
+            const_iterator &operator-=( int32_t iDelta );
             const_iterator operator+( int32_t iDelta ) const;
             const_iterator operator-( int32_t iDelta ) const;
             bool operator==( const iterator &rRhs );
@@ -143,8 +147,8 @@ namespace Bu
             bool operator!=( const iterator &rRhs );
             bool operator!=( const const_iterator &rRhs );
 
-            const_iterator &operator=( iterator &rRhs );
-            const_iterator &operator=( const_iterator &rRhs );
+            const_iterator &operator=( const iterator &rRhs );
+            const_iterator &operator=( const const_iterator &rRhs );
 
         private:
             const Blob *pBlob;