diff --git a/ndnboost/smart_ptr/detail/array_utility.hpp b/ndnboost/smart_ptr/detail/array_utility.hpp
new file mode 100644
index 0000000..c482b54
--- /dev/null
+++ b/ndnboost/smart_ptr/detail/array_utility.hpp
@@ -0,0 +1,178 @@
+/*
+ * Copyright (c) 2012 Glen Joseph Fernandes 
+ * glenfe at live dot com
+ *
+ * Distributed under the Boost Software License, 
+ * Version 1.0. (See accompanying file LICENSE_1_0.txt 
+ * or copy at http://boost.org/LICENSE_1_0.txt)
+ */
+#ifndef BOOST_SMART_PTR_DETAIL_ARRAY_UTILITY_HPP
+#define BOOST_SMART_PTR_DETAIL_ARRAY_UTILITY_HPP
+
+#include <ndnboost/config.hpp>
+#include <ndnboost/type_traits/has_trivial_constructor.hpp>
+#include <ndnboost/type_traits/has_trivial_destructor.hpp>
+
+namespace ndnboost {
+    namespace detail {
+        template<typename T>
+        inline void array_destroy(T*, std::size_t, ndnboost::true_type) {
+        }
+        template<typename T>
+        inline void array_destroy(T* memory, std::size_t size, ndnboost::false_type) {
+            for (std::size_t i = size; i > 0; ) {
+                memory[--i].~T();
+            }
+        }
+        template<typename T>
+        inline void array_destroy(T* memory, std::size_t size) {
+            ndnboost::has_trivial_destructor<T> type;
+            array_destroy(memory, size, type);
+        }
+        template<typename T>
+        inline void array_init(T* memory, std::size_t size, ndnboost::true_type) {
+            for (std::size_t i = 0; i < size; i++) {
+                memory[i] = T();
+            }
+        }
+        template<typename T>
+        inline void array_init(T* memory, std::size_t size, ndnboost::false_type) {
+#if !defined(BOOST_NO_EXCEPTIONS)
+            std::size_t i = 0;
+            try {
+                for (; i < size; i++) {
+                    void* p1 = memory + i;
+                    ::new(p1) T();
+                }
+            } catch (...) {
+                array_destroy(memory, i);
+                throw;
+            }
+#else
+            for (std::size_t i = 0; i < size; i++) {
+                void* p1 = memory + i;
+                ::new(p1) T();
+            }
+#endif
+        }
+        template<typename T>
+        inline void array_init(T* memory, std::size_t size) {
+            ndnboost::has_trivial_default_constructor<T> type;            
+            array_init(memory, size, type);
+        }
+#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+        template<typename T>
+        inline void array_init_value(T* memory, std::size_t size, T&& value) {
+#if !defined(BOOST_NO_EXCEPTIONS)
+            std::size_t i = 0;
+            try {
+                for (; i < size; i++) {
+                    void* p1 = memory + i;
+                    ::new(p1) T(value);
+                }
+            } catch (...) {
+                array_destroy(memory, i);
+                throw;
+            }
+#else
+            for (std::size_t i = 0; i < size; i++) {
+                void* p1 = memory + i;
+                ::new(p1) T(value);
+            }
+#endif
+        }
+#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
+        template<typename T, typename... Args>
+        inline void array_init_args(T* memory, std::size_t size, Args&&... args) {
+#if !defined(BOOST_NO_EXCEPTIONS)
+            std::size_t i = 0;
+            try {
+                for (; i < size; i++) {
+                    void* p1 = memory + i;
+                    ::new(p1) T(args...);
+                }
+            } catch (...) {
+                array_destroy(memory, i);
+                throw;
+            }
+#else
+            for (std::size_t i = 0; i < size; i++) {
+                void* p1 = memory + i;
+                ::new(p1) T(args...);
+            }
+#endif
+        }
+#endif
+#endif
+        template<typename T>
+        inline void array_init_list(T* memory, std::size_t size, const T* list) {
+#if !defined(BOOST_NO_EXCEPTIONS)
+            std::size_t i = 0;
+            try {
+                for (; i < size; i++) {
+                    void* p1 = memory + i;
+                    ::new(p1) T(list[i]);
+                }
+            } catch (...) {
+                array_destroy(memory, i);
+                throw;
+            }
+#else
+            for (std::size_t i = 0; i < size; i++) {
+                void* p1 = memory + i;
+                ::new(p1) T(list[i]);
+            }
+#endif
+        }
+        template<typename T, std::size_t N>
+        inline void array_init_list(T* memory, std::size_t size, const T* list) {
+#if !defined(BOOST_NO_EXCEPTIONS)
+            std::size_t i = 0;
+            try {
+                for (; i < size; i++) {
+                    void* p1 = memory + i;
+                    ::new(p1) T(list[i % N]);
+                }
+            } catch (...) {
+                array_destroy(memory, i);
+                throw;
+            }
+#else
+            for (std::size_t i = 0; i < size; i++) {
+                void* p1 = memory + i;
+                ::new(p1) T(list[i % N]);
+            }
+#endif
+        }
+        template<typename T>
+        inline void array_noinit(T*, std::size_t, ndnboost::true_type) {
+        }
+        template<typename T>
+        inline void array_noinit(T* memory, std::size_t size, ndnboost::false_type) {
+#if !defined(BOOST_NO_EXCEPTIONS)
+            std::size_t i = 0;
+            try {
+                for (; i < size; i++) {
+                    void* p1 = memory + i;
+                    ::new(p1) T;
+                }
+            } catch (...) {
+                array_destroy(memory, i);
+                throw;
+            }
+#else
+            for (std::size_t i = 0; i < size; i++) {
+                void* p1 = memory + i;
+                ::new(p1) T;
+            }
+#endif
+        }
+        template<typename T>
+        inline void array_noinit(T* memory, std::size_t size) {
+            ndnboost::has_trivial_default_constructor<T> type;
+            array_noinit(memory, size, type);
+        }
+    }
+}
+
+#endif