diff --git a/include/DataFrame/MMap/ObjectVector.h b/include/DataFrame/MMap/ObjectVector.h
index 1da97b6a5..2f6e2da81 100644
--- a/include/DataFrame/MMap/ObjectVector.h
+++ b/include/DataFrame/MMap/ObjectVector.h
@@ -61,7 +61,7 @@ class   ObjectVector : protected B  {
     using size_type = typename BaseClass::size_type;
     using value_type = T;
     using difference_type = std::ptrdiff_t;
-    using ponter = value_type *;
+    using pointer = value_type *;
     using const_pointer = const value_type *;
     using const_pointer_const = const value_type *const;
     using reference = value_type &;
@@ -181,7 +181,7 @@ class   ObjectVector : protected B  {
 
     mutable size_type   cached_object_count_ { 0 };
 
-    inline void setup_();
+    inline void setup_ ();
     inline size_type tell_ () const noexcept;
     inline void unlink_ ()  { BaseClass::unlink (); }
     inline int write_ (const value_type *data_ele, size_type count);
@@ -708,11 +708,13 @@ class   ObjectVector : protected B  {
     inline reverse_iterator
     rend() noexcept  { return (reverse_iterator (&((*this)[0]) - 1)); }
 
-    inline const_reverse_iterator rbegin () const noexcept  {
+    inline const_reverse_iterator
+    rbegin () const noexcept  {
 
         return (const_reverse_iterator (&((*this)[size() - 1])));
     }
-    inline const_reverse_iterator rend () const noexcept  {
+    inline const_reverse_iterator
+    rend () const noexcept  {
 
         return (const_reverse_iterator (&((*this)[0]) - 1));
     }
diff --git a/include/DataFrame/MMap/ObjectVector.tcc b/include/DataFrame/MMap/ObjectVector.tcc
index b87c8bd48..cfbe88465 100644
--- a/include/DataFrame/MMap/ObjectVector.tcc
+++ b/include/DataFrame/MMap/ObjectVector.tcc
@@ -348,10 +348,10 @@ template<typename T, typename B>
 template<typename I>
 void ObjectVector<T, B>::insert (iterator pos, I first, I last)  {
 
-    const long      int to_add = &(*last) - &(*first);
+    const size_type to_add = &(*last) - &(*first);
     const size_type pos_index = &(*pos) - &(*begin ());
 
-    BaseClass::truncate (BaseClass::_file_size + to_add * sizeof (value_type));
+    BaseClass::truncate(BaseClass::_file_size + to_add * sizeof (value_type));
 
     const iterator  new_pos = begin() + pos_index;
 
diff --git a/include/DataFrame/Vectors/VectorPtrView.h b/include/DataFrame/Vectors/VectorPtrView.h
index 26db23454..4933ae58e 100644
--- a/include/DataFrame/Vectors/VectorPtrView.h
+++ b/include/DataFrame/Vectors/VectorPtrView.h
@@ -581,26 +581,21 @@ class   VectorPtrView  {
 
 public:
 
-    inline iterator begin () noexcept  {
-
-        return (iterator (&(*(vector_.begin()))));
-    }
+    inline iterator
+    begin () noexcept  { return (iterator (&(*(vector_.begin())))); }
     inline iterator
     end () noexcept { return (iterator(&(*(vector_.end())))); }
-    inline const_iterator begin () const noexcept  {
-
-        return (const_iterator (&(*(vector_.begin()))));
-    }
-    inline const_iterator end () const noexcept  {
-
-        return (const_iterator(&(*(vector_.end()))));
-    }
-
-    inline const_reverse_iterator rbegin () const noexcept  {
+    inline const_iterator
+    begin() const noexcept { return (const_iterator (&(*(vector_.begin())))); }
+    inline const_iterator
+    end () const noexcept  { return (const_iterator(&(*(vector_.end())))); }
 
+    inline const_reverse_iterator
+    rbegin () const noexcept  { 
         return (const_reverse_iterator (&(*(vector_.rbegin()))));
     }
-    inline const_reverse_iterator rend () const noexcept  {
+    inline const_reverse_iterator
+    rend () const noexcept  {
 
         return (const_reverse_iterator (&(*(vector_.rend()))));
     }
diff --git a/include/DataFrame/Vectors/VectorView.h b/include/DataFrame/Vectors/VectorView.h
index 89cb22739..481fc565e 100644
--- a/include/DataFrame/Vectors/VectorView.h
+++ b/include/DataFrame/Vectors/VectorView.h
@@ -34,7 +34,13 @@ class   VectorView  {
 
 public:
 
-    inline VectorView() = default;
+    VectorView() = default;
+    VectorView(const VectorView &) = default;
+    VectorView(VectorView &&) = default;
+    VectorView &operator= (const VectorView &) = default;
+    VectorView &operator= (VectorView &&) = default;
+    ~VectorView() = default;
+
     inline VectorView (value_type *bp, value_type *ep) noexcept
         : begin_ptr_(bp), end_ptr_(ep)  {   }
 
@@ -45,6 +51,9 @@ class   VectorView  {
     }
     inline void clear () noexcept  { begin_ptr_ = end_ptr_ = nullptr; }
 
+    inline reference at (size_type i) noexcept  { return (*(begin_ptr_ + i)); }
+    inline const_reference
+	at (size_type i) const noexcept  { return (*(begin_ptr_ + i)); }
     inline reference operator [] (size_type i) noexcept  {
 
         return (*(begin_ptr_ + i));
@@ -58,9 +67,10 @@ class   VectorView  {
     inline reference back() noexcept  { return (*(end_ptr_ - 1)); }
     inline const_reference back() const noexcept  { return (*(end_ptr_ - 1)); }
 
-    // This is to match the std::vector interface, so things will compile
+    // These are to match the std::vector interface, so things will compile
     //
     inline void shrink_to_fit()  {  }
+    inline void reserve (size_type)  {  }
 
     inline void swap (VectorView &rhs) noexcept  {
 
@@ -219,7 +229,7 @@ class   VectorView  {
 
     private:
 
-        const_pointer   node_ {nullptr};
+        const_pointer   node_ { nullptr };
     };
 
     class   iterator;
@@ -351,7 +361,7 @@ class   VectorView  {
 
     private:
 
-        const_pointer   node_ {nullptr};
+        const_pointer   node_ { nullptr };
 
         friend  class   VectorView::const_reverse_iterator;
     };
@@ -466,7 +476,7 @@ class   VectorView  {
 
     private:
 
-        pointer node_ {nullptr};
+        pointer node_ { nullptr };
 
         friend  class   VectorView::const_iterator;
     };
@@ -481,14 +491,9 @@ class   VectorView  {
     end () const noexcept  { return (const_iterator (end_ptr_)); }
 
     inline const_reverse_iterator
-    rbegin () const noexcept  {
-
-        return (const_reverse_iterator (end_ptr_ - 1));
-    }
-    inline const_reverse_iterator rend () const noexcept  {
-
-        return (const_reverse_iterator (begin_ptr_ - 1));
-    }
+    rbegin() const noexcept { return (const_reverse_iterator(end_ptr_ - 1)); }
+    inline const_reverse_iterator
+    rend() const noexcept { return (const_reverse_iterator(begin_ptr_ - 1)); }
 };
 
 } // namespace hmdf