diff --git a/include/uarray.h b/include/uarray.h
index b5e4d0f..568921f 100644
--- a/include/uarray.h
+++ b/include/uarray.h
@@ -47,6 +47,14 @@ public:
     inline bool			empty (void) const			{ return (N == 0); }
     inline const_reference	at (size_type i) const			{ return (_v[i]); }
     inline reference		at (size_type i)			{ return (_v[i]); }
+ 
+ 
+    inline const_reference	front (void) const			{ return (_v[0]); }
+    inline reference		front (void)			{ return (_v[0]); }
+    inline const_reference	back (void) const			{ return (_v[N-1]); }
+    inline reference		back (void)			{ return (_v[N-1]); }
+    
+    
     inline void			read (istream& is)			{ nr_container_read (is, *this); }
     inline void			write (ostream& os) const		{ nr_container_write (os, *this); }
     inline void			text_write (ostringstream& os) const	{ container_text_write (os, *this); }
diff --git a/include/ustring.h b/include/ustring.h
index f49db00..5f58608 100644
--- a/include/ustring.h
+++ b/include/ustring.h
@@ -64,7 +64,7 @@ public:
     inline			string (const_pointer s, size_type len);
     inline			string (const_pointer s1, const_pointer s2);
 				string (size_type n, value_type c);
-    inline	virtual		~string (void) noexcept		{ }
+    inline			~string (void) noexcept		{ }
     inline pointer		data (void)			{ return (string::pointer (memblock::data())); }
     inline const_pointer	data (void) const		{ return (string::const_pointer (memblock::data())); }
     inline const_pointer	c_str (void) const		{ return (string::const_pointer (memblock::cdata())); }
diff --git a/src/unew.cc b/src/unew.cc
index e1389c2..72150da 100644
--- a/src/unew.cc
+++ b/src/unew.cc
@@ -8,5 +8,8 @@
 void* tmalloc (size_t n)
 {
     void* p = malloc (n);
-    return (p);
+    if (!p)
+	return nullptr; // throw ustl::bad_alloc (n);
+    return p;
 }
+