diff --git a/sprout/algorithm/fixed/copy_backward.hpp b/sprout/algorithm/fixed/copy_backward.hpp
index 33390019..49432ab9 100644
--- a/sprout/algorithm/fixed/copy_backward.hpp
+++ b/sprout/algorithm/fixed/copy_backward.hpp
@@ -81,7 +81,7 @@ namespace sprout {
 				)
 			{
 				return first != last && sizeof...(Args) < size
-					? copy_backward_impl(first, sprout::prev(last), result, size, *sprout::prev(last), args...)
+					? sprout::fixed::detail::copy_backward_impl(first, sprout::prev(last), result, size, *sprout::prev(last), args...)
 					: sprout::detail::container_complate_backward(result, args...)
 					;
 			}
diff --git a/sprout/algorithm/fixed/fill.hpp b/sprout/algorithm/fixed/fill.hpp
index 6c941ea8..99feb181 100644
--- a/sprout/algorithm/fixed/fill.hpp
+++ b/sprout/algorithm/fixed/fill.hpp
@@ -15,8 +15,8 @@ namespace sprout {
 			template<typename Container, typename T, std::ptrdiff_t... Indexes>
 			SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Container>::type fill_impl(
 				Container const& cont,
-				sprout::index_tuple<Indexes...>,
 				T const& value,
+				sprout::index_tuple<Indexes...>,
 				typename sprout::fixed_container_traits<Container>::difference_type offset,
 				typename sprout::fixed_container_traits<Container>::size_type size
 				)
@@ -42,8 +42,8 @@ namespace sprout {
 		{
 			return sprout::fixed::detail::fill_impl(
 				cont,
-				typename sprout::index_range<0, sprout::fixed_container_traits<Container>::fixed_size>::type(),
 				value,
+				typename sprout::index_range<0, sprout::fixed_container_traits<Container>::fixed_size>::type(),
 				sprout::fixed_begin_offset(cont),
 				sprout::size(cont)
 				);
diff --git a/sprout/algorithm/fixed/fill_n.hpp b/sprout/algorithm/fixed/fill_n.hpp
index 3d7c4f8d..01fbcaec 100644
--- a/sprout/algorithm/fixed/fill_n.hpp
+++ b/sprout/algorithm/fixed/fill_n.hpp
@@ -22,8 +22,8 @@ namespace sprout {
 		{
 			return sprout::fixed::detail::fill_impl(
 				cont,
-				typename sprout::index_range<0, sprout::fixed_container_traits<Container>::fixed_size>::type(),
 				value,
+				typename sprout::index_range<0, sprout::fixed_container_traits<Container>::fixed_size>::type(),
 				sprout::fixed_begin_offset(cont),
 				n
 				);
diff --git a/sprout/algorithm/fixed/generate.hpp b/sprout/algorithm/fixed/generate.hpp
index ec14ddeb..a9ebcda0 100644
--- a/sprout/algorithm/fixed/generate.hpp
+++ b/sprout/algorithm/fixed/generate.hpp
@@ -113,7 +113,7 @@ namespace sprout {
 				)
 			{
 				return sizeof...(Args) < size
-					? generate_impl_1<InitSize>(cont, gen, size, args..., sprout::fixed::detail::call_gen<InitSize, Container>(gen, args...))
+					? sprout::fixed::detail::generate_impl_1<InitSize>(cont, gen, size, args..., sprout::fixed::detail::call_gen<InitSize, Container>(gen, args...))
 					: sprout::detail::container_complate(cont, args...)
 					;
 			}
diff --git a/sprout/algorithm/fixed/remove_copy.hpp b/sprout/algorithm/fixed/remove_copy.hpp
index f878aff9..2ed0adc6 100644
--- a/sprout/algorithm/fixed/remove_copy.hpp
+++ b/sprout/algorithm/fixed/remove_copy.hpp
@@ -1,49 +1,27 @@
 #ifndef SPROUT_ALGORITHM_FIXED_REMOVE_COPY_HPP
 #define SPROUT_ALGORITHM_FIXED_REMOVE_COPY_HPP
 
-#include <cstddef>
 #include <type_traits>
 #include <sprout/config.hpp>
 #include <sprout/fixed_container/traits.hpp>
 #include <sprout/fixed_container/functions.hpp>
 #include <sprout/iterator/operation.hpp>
 #include <sprout/algorithm/fixed/result_of.hpp>
+#include <sprout/detail/container_complate.hpp>
 
 namespace sprout {
 	namespace fixed {
 		namespace detail {
-			template<typename Result, typename... Args>
-			SPROUT_CONSTEXPR inline typename std::enable_if<
-				sprout::fixed_container_traits<Result>::fixed_size == sizeof...(Args),
-				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type remove_copy_impl_3(
-				Result const& result,
-				Args const&... args
-				)
-			{
-				return sprout::remake_clone<Result, Result>(result, sprout::size(result), args...);
-			}
-			template<typename Result, typename... Args>
-			SPROUT_CONSTEXPR inline typename std::enable_if<
-				sprout::fixed_container_traits<Result>::fixed_size != sizeof...(Args),
-				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type remove_copy_impl_3(
-				Result const& result,
-				Args const&... args
-				)
-			{
-				return remove_copy_impl_3(result, args..., *sprout::next(sprout::fixed_begin(result), sizeof...(Args)));
-			}
 			template<typename InputIterator, typename Result, typename T, typename... Args>
 			SPROUT_CONSTEXPR inline typename std::enable_if<
 				sprout::fixed_container_traits<Result>::fixed_size == sizeof...(Args),
 				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type remove_copy_impl_2(
+			>::type remove_copy_impl(
 				InputIterator first,
 				InputIterator last,
 				Result const& result,
 				T const& value,
-				typename sprout::fixed_container_traits<Result>::difference_type offset,
+				typename sprout::fixed_container_traits<Result>::size_type size,
 				Args const&... args
 				)
 			{
@@ -53,65 +31,22 @@ namespace sprout {
 			SPROUT_CONSTEXPR inline typename std::enable_if<
 				sprout::fixed_container_traits<Result>::fixed_size != sizeof...(Args),
 				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type remove_copy_impl_2(
+			>::type remove_copy_impl(
 				InputIterator first,
 				InputIterator last,
 				Result const& result,
 				T const& value,
-				typename sprout::fixed_container_traits<Result>::difference_type offset,
+				typename sprout::fixed_container_traits<Result>::size_type size,
 				Args const&... args
 				)
 			{
-				return first != last && sizeof...(Args) < static_cast<std::size_t>(offset)
+				return first != last && sizeof...(Args) < size
 					? *first == value
-						? remove_copy_impl_2(sprout::next(first), last, result, value, offset, args...)
-						: remove_copy_impl_2(sprout::next(first), last, result, value, offset, args..., *first)
-					: remove_copy_impl_3(result, args...)
+						? sprout::fixed::detail::remove_copy_impl(sprout::next(first), last, result, value, size, args...)
+						: sprout::fixed::detail::remove_copy_impl(sprout::next(first), last, result, value, size, args..., *first)
+					: sprout::detail::container_complate(result, args...)
 					;
 			}
-			template<typename InputIterator, typename Result, typename T, typename... Args>
-			SPROUT_CONSTEXPR inline typename std::enable_if<
-				sprout::fixed_container_traits<Result>::fixed_size == sizeof...(Args),
-				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type remove_copy_impl_1(
-				InputIterator first,
-				InputIterator last,
-				Result const& result,
-				T const& value,
-				typename sprout::fixed_container_traits<Result>::difference_type offset,
-				Args const&... args
-				)
-			{
-				return sprout::remake_clone<Result, Result>(result, sprout::size(result), args...);
-			}
-			template<typename InputIterator, typename Result, typename T, typename... Args>
-			SPROUT_CONSTEXPR inline typename std::enable_if<
-				sprout::fixed_container_traits<Result>::fixed_size != sizeof...(Args),
-				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type remove_copy_impl_1(
-				InputIterator first,
-				InputIterator last,
-				Result const& result,
-				T const& value,
-				typename sprout::fixed_container_traits<Result>::difference_type offset,
-				Args const&... args
-				)
-			{
-				return sizeof...(Args) < static_cast<std::size_t>(offset)
-					? remove_copy_impl_1(first, last, result, value, offset, args..., *sprout::next(sprout::fixed_begin(result), sizeof...(Args)))
-					: remove_copy_impl_2(first, last, result, value, offset + sprout::size(result), args...)
-					;
-			}
-			template<typename InputIterator, typename Result, typename T>
-			SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type remove_copy_impl(
-				InputIterator first,
-				InputIterator last,
-				Result const& result,
-				T const& value
-				)
-			{
-				return remove_copy_impl_1(first, last, result, value, sprout::fixed_begin_offset(result));
-			}
 		}	// namespace detail
 		//
 		// remove_copy
@@ -124,7 +59,7 @@ namespace sprout {
 			T const& value
 			)
 		{
-			return sprout::fixed::detail::remove_copy_impl(first, last, result, value);
+			return sprout::fixed::detail::remove_copy_impl(first, last, result, value, sprout::size(result));
 		}
 	}	// namespace fixed
 
diff --git a/sprout/algorithm/fixed/remove_copy_if.hpp b/sprout/algorithm/fixed/remove_copy_if.hpp
index 8aeaaa33..8c004baa 100644
--- a/sprout/algorithm/fixed/remove_copy_if.hpp
+++ b/sprout/algorithm/fixed/remove_copy_if.hpp
@@ -1,49 +1,27 @@
 #ifndef SPROUT_ALGORITHM_FIXED_REMOVE_COPY_IF_HPP
 #define SPROUT_ALGORITHM_FIXED_REMOVE_COPY_IF_HPP
 
-#include <cstddef>
 #include <type_traits>
 #include <sprout/config.hpp>
 #include <sprout/fixed_container/traits.hpp>
 #include <sprout/fixed_container/functions.hpp>
 #include <sprout/iterator/operation.hpp>
 #include <sprout/algorithm/fixed/result_of.hpp>
+#include <sprout/detail/container_complate.hpp>
 
 namespace sprout {
 	namespace fixed {
 		namespace detail {
-			template<typename Result, typename... Args>
-			SPROUT_CONSTEXPR inline typename std::enable_if<
-				sprout::fixed_container_traits<Result>::fixed_size == sizeof...(Args),
-				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type remove_copy_if_impl_3(
-				Result const& result,
-				Args const&... args
-				)
-			{
-				return sprout::remake_clone<Result, Result>(result, sprout::size(result), args...);
-			}
-			template<typename Result, typename... Args>
-			SPROUT_CONSTEXPR inline typename std::enable_if<
-				sprout::fixed_container_traits<Result>::fixed_size != sizeof...(Args),
-				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type remove_copy_if_impl_3(
-				Result const& result,
-				Args const&... args
-				)
-			{
-				return remove_copy_if_impl_3(result, args..., *sprout::next(sprout::fixed_begin(result), sizeof...(Args)));
-			}
 			template<typename InputIterator, typename Result, typename Predicate, typename... Args>
 			SPROUT_CONSTEXPR inline typename std::enable_if<
 				sprout::fixed_container_traits<Result>::fixed_size == sizeof...(Args),
 				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type remove_copy_if_impl_2(
+			>::type remove_copy_if_impl(
 				InputIterator first,
 				InputIterator last,
 				Result const& result,
 				Predicate pred,
-				typename sprout::fixed_container_traits<Result>::difference_type offset,
+				typename sprout::fixed_container_traits<Result>::size_type size,
 				Args const&... args
 				)
 			{
@@ -53,65 +31,22 @@ namespace sprout {
 			SPROUT_CONSTEXPR inline typename std::enable_if<
 				sprout::fixed_container_traits<Result>::fixed_size != sizeof...(Args),
 				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type remove_copy_if_impl_2(
+			>::type remove_copy_if_impl(
 				InputIterator first,
 				InputIterator last,
 				Result const& result,
 				Predicate pred,
-				typename sprout::fixed_container_traits<Result>::difference_type offset,
+				typename sprout::fixed_container_traits<Result>::size_type size,
 				Args const&... args
 				)
 			{
-				return first != last && sizeof...(Args) < static_cast<std::size_t>(offset)
+				return first != last && sizeof...(Args) < size
 					? pred(*first)
-						? remove_copy_if_impl_2(sprout::next(first), last, result, pred, offset, args...)
-						: remove_copy_if_impl_2(sprout::next(first), last, result, pred, offset, args..., *first)
-					: remove_copy_if_impl_3(result, args...)
+						? sprout::fixed::detail::remove_copy_if_impl(sprout::next(first), last, result, pred, size, args...)
+						: sprout::fixed::detail::remove_copy_if_impl(sprout::next(first), last, result, pred, size, args..., *first)
+					: sprout::detail::container_complate(result, args...)
 					;
 			}
-			template<typename InputIterator, typename Result, typename Predicate, typename... Args>
-			SPROUT_CONSTEXPR inline typename std::enable_if<
-				sprout::fixed_container_traits<Result>::fixed_size == sizeof...(Args),
-				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type remove_copy_if_impl_1(
-				InputIterator first,
-				InputIterator last,
-				Result const& result,
-				Predicate pred,
-				typename sprout::fixed_container_traits<Result>::difference_type offset,
-				Args const&... args
-				)
-			{
-				return sprout::remake_clone<Result, Result>(result, sprout::size(result), args...);
-			}
-			template<typename InputIterator, typename Result, typename Predicate, typename... Args>
-			SPROUT_CONSTEXPR inline typename std::enable_if<
-				sprout::fixed_container_traits<Result>::fixed_size != sizeof...(Args),
-				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type remove_copy_if_impl_1(
-				InputIterator first,
-				InputIterator last,
-				Result const& result,
-				Predicate pred,
-				typename sprout::fixed_container_traits<Result>::difference_type offset,
-				Args const&... args
-				)
-			{
-				return sizeof...(Args) < static_cast<std::size_t>(offset)
-					? remove_copy_if_impl_1(first, last, result, pred, offset, args..., *sprout::next(sprout::fixed_begin(result), sizeof...(Args)))
-					: remove_copy_if_impl_2(first, last, result, pred, offset + sprout::size(result), args...)
-					;
-			}
-			template<typename InputIterator, typename Result, typename Predicate>
-			SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type remove_copy_if_impl(
-				InputIterator first,
-				InputIterator last,
-				Result const& result,
-				Predicate pred
-				)
-			{
-				return remove_copy_if_impl_1(first, last, result, pred, sprout::fixed_begin_offset(result));
-			}
 		}	// namespace detail
 		//
 		// remove_copy_if
@@ -124,7 +59,7 @@ namespace sprout {
 			Predicate pred
 			)
 		{
-			return sprout::fixed::detail::remove_copy_if_impl(first, last, result, pred);
+			return sprout::fixed::detail::remove_copy_if_impl(first, last, result, pred, sprout::size(result));
 		}
 	}	// namespace fixed
 
diff --git a/sprout/algorithm/fixed/reverse_copy.hpp b/sprout/algorithm/fixed/reverse_copy.hpp
index 6b5c3b5c..d8403a4b 100644
--- a/sprout/algorithm/fixed/reverse_copy.hpp
+++ b/sprout/algorithm/fixed/reverse_copy.hpp
@@ -10,6 +10,7 @@
 #include <sprout/fixed_container/functions.hpp>
 #include <sprout/iterator/operation.hpp>
 #include <sprout/algorithm/fixed/result_of.hpp>
+#include <sprout/detail/container_complate.hpp>
 #include HDR_ITERATOR_SSCRISK_CEL_OR_SPROUT_DETAIL
 
 namespace sprout {
@@ -53,37 +54,15 @@ namespace sprout {
 					NS_SSCRISK_CEL_OR_SPROUT_DETAIL::distance(first, last)
 					);
 			}
-			template<typename Result, typename... Args>
-			SPROUT_CONSTEXPR inline typename std::enable_if<
-				sprout::fixed_container_traits<Result>::fixed_size == sizeof...(Args),
-				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type reverse_copy_impl_3(
-				Result const& result,
-				Args const&... args
-				)
-			{
-				return sprout::remake_clone<Result, Result>(result, sprout::size(result), args...);
-			}
-			template<typename Result, typename... Args>
-			SPROUT_CONSTEXPR inline typename std::enable_if<
-				sprout::fixed_container_traits<Result>::fixed_size != sizeof...(Args),
-				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type reverse_copy_impl_3(
-				Result const& result,
-				Args const&... args
-				)
-			{
-				return reverse_copy_impl_3(result, args..., *sprout::next(sprout::fixed_begin(result), sizeof...(Args)));
-			}
 			template<typename BidirectionalIterator, typename Result, typename... Args>
 			SPROUT_CONSTEXPR inline typename std::enable_if<
 				sprout::fixed_container_traits<Result>::fixed_size == sizeof...(Args),
 				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type reverse_copy_impl_2(
+			>::type reverse_copy_impl(
 				BidirectionalIterator first,
 				BidirectionalIterator last,
 				Result const& result,
-				typename sprout::fixed_container_traits<Result>::difference_type offset,
+				typename sprout::fixed_container_traits<Result>::size_type size,
 				Args const&... args
 				)
 			{
@@ -93,59 +72,19 @@ namespace sprout {
 			SPROUT_CONSTEXPR inline typename std::enable_if<
 				sprout::fixed_container_traits<Result>::fixed_size != sizeof...(Args),
 				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type reverse_copy_impl_2(
+			>::type reverse_copy_impl(
 				BidirectionalIterator first,
 				BidirectionalIterator last,
 				Result const& result,
-				typename sprout::fixed_container_traits<Result>::difference_type offset,
+				typename sprout::fixed_container_traits<Result>::size_type size,
 				Args const&... args
 				)
 			{
-				return first != last && sizeof...(Args) < static_cast<std::size_t>(offset)
-					? reverse_copy_impl_2(first, sprout::prev(last), result, offset, args..., *sprout::prev(last))
-					: reverse_copy_impl_3(result, args...)
+				return first != last && sizeof...(Args) < size
+					? sprout::fixed::detail::reverse_copy_impl(first, sprout::prev(last), result, size, args..., *sprout::prev(last))
+					: sprout::detail::container_complate(result, args...)
 					;
 			}
-			template<typename BidirectionalIterator, typename Result, typename... Args>
-			SPROUT_CONSTEXPR inline typename std::enable_if<
-				sprout::fixed_container_traits<Result>::fixed_size == sizeof...(Args),
-				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type reverse_copy_impl_1(
-				BidirectionalIterator first,
-				BidirectionalIterator last,
-				Result const& result,
-				typename sprout::fixed_container_traits<Result>::difference_type offset,
-				Args const&... args
-				)
-			{
-				return sprout::remake_clone<Result, Result>(result, sprout::size(result), args...);
-			}
-			template<typename BidirectionalIterator, typename Result, typename... Args>
-			SPROUT_CONSTEXPR inline typename std::enable_if<
-				sprout::fixed_container_traits<Result>::fixed_size != sizeof...(Args),
-				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type reverse_copy_impl_1(
-				BidirectionalIterator first,
-				BidirectionalIterator last,
-				Result const& result,
-				typename sprout::fixed_container_traits<Result>::difference_type offset,
-				Args const&... args
-				)
-			{
-				return sizeof...(Args) < static_cast<std::size_t>(offset)
-					? reverse_copy_impl_1(first, last, result, offset, args..., *sprout::next(sprout::fixed_begin(result), sizeof...(Args)))
-					: reverse_copy_impl_2(first, last, result, offset + sprout::size(result), args...)
-					;
-			}
-			template<typename BidirectionalIterator, typename Result>
-			SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type reverse_copy_impl(
-				BidirectionalIterator first,
-				BidirectionalIterator last,
-				Result const& result
-				)
-			{
-				return reverse_copy_impl_1(first, last, result, sprout::fixed_begin_offset(result));
-			}
 			template<typename BidirectionalIterator, typename Result>
 			SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type reverse_copy(
 				BidirectionalIterator first,
@@ -154,11 +93,7 @@ namespace sprout {
 				void*
 				)
 			{
-				return sprout::fixed::detail::reverse_copy_impl(
-					first,
-					last,
-					result
-					);
+				return sprout::fixed::detail::reverse_copy_impl(first, last, result, sprout::size(result));
 			}
 		}	// namespace detail
 		//
@@ -172,12 +107,7 @@ namespace sprout {
 			)
 		{
 			typedef typename std::iterator_traits<BidirectionalIterator>::iterator_category* category;
-			return sprout::fixed::detail::reverse_copy(
-				first,
-				last,
-				result,
-				category()
-				);
+			return sprout::fixed::detail::reverse_copy(first, last, result, category());
 		}
 	}	// namespace fixed
 
diff --git a/sprout/algorithm/fixed/rotate_copy.hpp b/sprout/algorithm/fixed/rotate_copy.hpp
index 46e4a4b3..7ff31ce8 100644
--- a/sprout/algorithm/fixed/rotate_copy.hpp
+++ b/sprout/algorithm/fixed/rotate_copy.hpp
@@ -10,6 +10,7 @@
 #include <sprout/fixed_container/functions.hpp>
 #include <sprout/iterator/operation.hpp>
 #include <sprout/algorithm/fixed/result_of.hpp>
+#include <sprout/detail/container_complate.hpp>
 #include HDR_ITERATOR_SSCRISK_CEL_OR_SPROUT_DETAIL
 
 namespace sprout {
@@ -59,104 +60,15 @@ namespace sprout {
 					NS_SSCRISK_CEL_OR_SPROUT_DETAIL::distance(first, last)
 					);
 			}
-			template<typename Result, typename... Args>
-			SPROUT_CONSTEXPR inline typename std::enable_if<
-				sprout::fixed_container_traits<Result>::fixed_size == sizeof...(Args),
-				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type rotate_copy_impl_4(
-				Result const& result,
-				Args const&... args
-				)
-			{
-				return sprout::remake_clone<Result, Result>(result, sprout::size(result), args...);
-			}
-			template<typename Result, typename... Args>
-			SPROUT_CONSTEXPR inline typename std::enable_if<
-				sprout::fixed_container_traits<Result>::fixed_size != sizeof...(Args),
-				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type rotate_copy_impl_4(
-				Result const& result,
-				Args const&... args
-				)
-			{
-				return rotate_copy_impl_4(result, args..., *sprout::next(sprout::fixed_begin(result), sizeof...(Args)));
-			}
-			template<typename ForwardIterator, typename Result, typename... Args>
-			SPROUT_CONSTEXPR inline typename std::enable_if<
-				sprout::fixed_container_traits<Result>::fixed_size == sizeof...(Args),
-				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type rotate_copy_impl_3(
-				ForwardIterator first,
-				ForwardIterator last,
-				Result const& result,
-				typename sprout::fixed_container_traits<Result>::difference_type offset,
-				Args const&... args
-				)
-			{
-				return sprout::remake_clone<Result, Result>(result, sprout::size(result), args...);
-			}
-			template<typename ForwardIterator, typename Result, typename... Args>
-			SPROUT_CONSTEXPR inline typename std::enable_if<
-				sprout::fixed_container_traits<Result>::fixed_size != sizeof...(Args),
-				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type rotate_copy_impl_3(
-				ForwardIterator first,
-				ForwardIterator last,
-				Result const& result,
-				typename sprout::fixed_container_traits<Result>::difference_type offset,
-				Args const&... args
-				)
-			{
-				return first != last && sizeof...(Args) < static_cast<std::size_t>(offset)
-					? rotate_copy_impl_3(sprout::next(first), last, result, offset, args..., *first)
-					: rotate_copy_impl_4(result, args...)
-					;
-			}
-			template<typename ForwardIterator, typename Result, typename... Args>
-			SPROUT_CONSTEXPR inline typename std::enable_if<
-				sprout::fixed_container_traits<Result>::fixed_size == sizeof...(Args),
-				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type rotate_copy_impl_2(
-				ForwardIterator first,
-				ForwardIterator middle,
-				ForwardIterator middle_first,
-				ForwardIterator last,
-				Result const& result,
-				typename sprout::fixed_container_traits<Result>::difference_type offset,
-				Args const&... args
-				)
-			{
-				return sprout::remake_clone<Result, Result>(result, sprout::size(result), args...);
-			}
-			template<typename ForwardIterator, typename Result, typename... Args>
-			SPROUT_CONSTEXPR inline typename std::enable_if<
-				sprout::fixed_container_traits<Result>::fixed_size != sizeof...(Args),
-				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type rotate_copy_impl_2(
-				ForwardIterator first,
-				ForwardIterator middle,
-				ForwardIterator middle_first,
-				ForwardIterator last,
-				Result const& result,
-				typename sprout::fixed_container_traits<Result>::difference_type offset,
-				Args const&... args
-				)
-			{
-				return middle_first != last && sizeof...(Args) < static_cast<std::size_t>(offset)
-					? rotate_copy_impl_2(first, middle, sprout::next(middle_first), last, result, offset, args..., *middle_first)
-					: rotate_copy_impl_3(first, middle, result, offset, args...)
-					;
-			}
 			template<typename ForwardIterator, typename Result, typename... Args>
 			SPROUT_CONSTEXPR inline typename std::enable_if<
 				sprout::fixed_container_traits<Result>::fixed_size == sizeof...(Args),
 				typename sprout::fixed::result_of::algorithm<Result>::type
 			>::type rotate_copy_impl_1(
 				ForwardIterator first,
-				ForwardIterator middle,
 				ForwardIterator last,
 				Result const& result,
-				typename sprout::fixed_container_traits<Result>::difference_type offset,
+				typename sprout::fixed_container_traits<Result>::size_type size,
 				Args const&... args
 				)
 			{
@@ -168,27 +80,51 @@ namespace sprout {
 				typename sprout::fixed::result_of::algorithm<Result>::type
 			>::type rotate_copy_impl_1(
 				ForwardIterator first,
-				ForwardIterator middle,
 				ForwardIterator last,
 				Result const& result,
-				typename sprout::fixed_container_traits<Result>::difference_type offset,
+				typename sprout::fixed_container_traits<Result>::size_type size,
 				Args const&... args
 				)
 			{
-				return sizeof...(Args) < static_cast<std::size_t>(offset)
-					? rotate_copy_impl_1(first, middle, last, result, offset, args..., *sprout::next(sprout::fixed_begin(result), sizeof...(Args)))
-					: rotate_copy_impl_2(first, middle, middle, last, result, offset + sprout::size(result), args...)
+				return first != last && sizeof...(Args) < size
+					? sprout::fixed::detail::rotate_copy_impl_1(sprout::next(first), last, result, size, args..., *first)
+					: sprout::detail::container_complate(result, args...)
 					;
 			}
-			template<typename ForwardIterator, typename Result>
-			SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type rotate_copy_impl(
+			template<typename ForwardIterator, typename Result, typename... Args>
+			SPROUT_CONSTEXPR inline typename std::enable_if<
+				sprout::fixed_container_traits<Result>::fixed_size == sizeof...(Args),
+				typename sprout::fixed::result_of::algorithm<Result>::type
+			>::type rotate_copy_impl(
 				ForwardIterator first,
 				ForwardIterator middle,
+				ForwardIterator middle_first,
 				ForwardIterator last,
-				Result const& result
+				Result const& result,
+				typename sprout::fixed_container_traits<Result>::size_type size,
+				Args const&... args
 				)
 			{
-				return rotate_copy_impl_1(first, middle, last, result, sprout::fixed_begin_offset(result));
+				return sprout::remake_clone<Result, Result>(result, sprout::size(result), args...);
+			}
+			template<typename ForwardIterator, typename Result, typename... Args>
+			SPROUT_CONSTEXPR inline typename std::enable_if<
+				sprout::fixed_container_traits<Result>::fixed_size != sizeof...(Args),
+				typename sprout::fixed::result_of::algorithm<Result>::type
+			>::type rotate_copy_impl(
+				ForwardIterator first,
+				ForwardIterator middle,
+				ForwardIterator middle_first,
+				ForwardIterator last,
+				Result const& result,
+				typename sprout::fixed_container_traits<Result>::size_type size,
+				Args const&... args
+				)
+			{
+				return middle_first != last && sizeof...(Args) < size
+					? sprout::fixed::detail::rotate_copy_impl(first, middle, sprout::next(middle_first), last, result, size, args..., *middle_first)
+					: sprout::fixed::detail::rotate_copy_impl_1(first, middle, result, size, args...)
+					;
 			}
 			template<typename ForwardIterator, typename Result>
 			SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type rotate_copy(
@@ -199,12 +135,7 @@ namespace sprout {
 				void*
 				)
 			{
-				return sprout::fixed::detail::rotate_copy_impl(
-					first,
-					middle,
-					last,
-					result
-					);
+				return sprout::fixed::detail::rotate_copy_impl(first, middle, last, result, sprout::size(result));
 			}
 		}	// namespace detail
 		//
@@ -219,13 +150,7 @@ namespace sprout {
 			)
 		{
 			typedef typename std::iterator_traits<ForwardIterator>::iterator_category* category;
-			return sprout::fixed::detail::rotate_copy(
-				first,
-				middle,
-				last,
-				result,
-				category()
-				);
+			return sprout::fixed::detail::rotate_copy(first, middle, last, result, category());
 		}
 	}	// namespace fixed
 
diff --git a/sprout/algorithm/fixed/transform.hpp b/sprout/algorithm/fixed/transform.hpp
index 813378a8..c59d809d 100644
--- a/sprout/algorithm/fixed/transform.hpp
+++ b/sprout/algorithm/fixed/transform.hpp
@@ -119,7 +119,7 @@ namespace sprout {
 
 		namespace detail {
 			template<typename RandomAccessIterator1, typename RandomAccessIterator2, typename Result, typename BinaryOperation, std::ptrdiff_t... Indexes>
-			SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type transform2_impl_ra(
+			SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type transform_impl_ra(
 				RandomAccessIterator1 first1,
 				RandomAccessIterator1 last1,
 				RandomAccessIterator2 first2,
@@ -141,7 +141,7 @@ namespace sprout {
 					);
 			}
 			template<typename RandomAccessIterator1, typename RandomAccessIterator2, typename Result, typename BinaryOperation>
-			SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type transform2(
+			SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type transform(
 				RandomAccessIterator1 first1,
 				RandomAccessIterator1 last1,
 				RandomAccessIterator2 first2,
@@ -150,7 +150,7 @@ namespace sprout {
 				std::random_access_iterator_tag*
 				)
 			{
-				return sprout::fixed::detail::transform2_impl_ra(
+				return sprout::fixed::detail::transform_impl_ra(
 					first1,
 					last1,
 					first2,
@@ -166,7 +166,7 @@ namespace sprout {
 			SPROUT_CONSTEXPR inline typename std::enable_if<
 				sprout::fixed_container_traits<Result>::fixed_size == sizeof...(Args),
 				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type transform2_impl(
+			>::type transform_impl(
 				InputIterator1 first1,
 				InputIterator1 last1,
 				InputIterator2 first2,
@@ -182,7 +182,7 @@ namespace sprout {
 			SPROUT_CONSTEXPR inline typename std::enable_if<
 				sprout::fixed_container_traits<Result>::fixed_size != sizeof...(Args),
 				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type transform2_impl(
+			>::type transform_impl(
 				InputIterator1 first1,
 				InputIterator1 last1,
 				InputIterator2 first2,
@@ -193,12 +193,12 @@ namespace sprout {
 				)
 			{
 				return first1 != last1 && sizeof...(Args) < size
-					? sprout::fixed::detail::transform2_impl(sprout::next(first1), last1, sprout::next(first2), result, op, size, args..., op(*first1, *first2))
+					? sprout::fixed::detail::transform_impl(sprout::next(first1), last1, sprout::next(first2), result, op, size, args..., op(*first1, *first2))
 					: sprout::detail::container_complate(result, args...)
 					;
 			}
 			template<typename InputIterator1, typename InputIterator2, typename Result, typename BinaryOperation>
-			SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type transform2(
+			SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type transform(
 				InputIterator1 first1,
 				InputIterator1 last1,
 				InputIterator2 first2,
@@ -207,7 +207,7 @@ namespace sprout {
 				void*
 				)
 			{
-				return sprout::fixed::detail::transform2_impl(first1, last1, first2, result, op, sprout::size(result));
+				return sprout::fixed::detail::transform_impl(first1, last1, first2, result, op, sprout::size(result));
 			}
 		}	// namespace detail
 		//
@@ -223,7 +223,7 @@ namespace sprout {
 			)
 		{
 			typedef typename std::iterator_traits<InputIterator1>::iterator_category* category;
-			return sprout::fixed::detail::transform2(first1, last1, first2, result, op, category());
+			return sprout::fixed::detail::transform(first1, last1, first2, result, op, category());
 		}
 	}	// namespace fixed
 
diff --git a/sprout/algorithm/fixed/unique_copy.hpp b/sprout/algorithm/fixed/unique_copy.hpp
index 5070008d..3d0051b3 100644
--- a/sprout/algorithm/fixed/unique_copy.hpp
+++ b/sprout/algorithm/fixed/unique_copy.hpp
@@ -1,48 +1,26 @@
 #ifndef SPROUT_ALGORITHM_FIXED_UNIQUE_COPY_HPP
 #define SPROUT_ALGORITHM_FIXED_UNIQUE_COPY_HPP
 
-#include <cstddef>
 #include <type_traits>
 #include <sprout/config.hpp>
 #include <sprout/fixed_container/traits.hpp>
 #include <sprout/fixed_container/functions.hpp>
 #include <sprout/iterator/operation.hpp>
 #include <sprout/algorithm/fixed/result_of.hpp>
+#include <sprout/detail/container_complate.hpp>
 
 namespace sprout {
 	namespace fixed {
 		namespace detail {
-			template<typename Result, typename... Args>
-			SPROUT_CONSTEXPR inline typename std::enable_if<
-				sprout::fixed_container_traits<Result>::fixed_size == sizeof...(Args),
-				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type unique_copy_impl_3(
-				Result const& result,
-				Args const&... args
-				)
-			{
-				return sprout::remake_clone<Result, Result>(result, sprout::size(result), args...);
-			}
-			template<typename Result, typename... Args>
-			SPROUT_CONSTEXPR inline typename std::enable_if<
-				sprout::fixed_container_traits<Result>::fixed_size != sizeof...(Args),
-				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type unique_copy_impl_3(
-				Result const& result,
-				Args const&... args
-				)
-			{
-				return unique_copy_impl_3(result, args..., *(sprout::fixed_begin(result) + sizeof...(Args)));
-			}
 			template<typename InputIterator, typename Result, typename Head, typename... Args>
 			SPROUT_CONSTEXPR inline typename std::enable_if<
 				sprout::fixed_container_traits<Result>::fixed_size == sizeof...(Args) + 1,
 				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type unique_copy_impl_2(
+			>::type unique_copy_impl(
 				InputIterator first,
 				InputIterator last,
 				Result const& result,
-				typename sprout::fixed_container_traits<Result>::difference_type offset,
+				typename sprout::fixed_container_traits<Result>::size_type size,
 				Head const& head,
 				Args const&... args
 				)
@@ -53,64 +31,22 @@ namespace sprout {
 			SPROUT_CONSTEXPR inline typename std::enable_if<
 				sprout::fixed_container_traits<Result>::fixed_size != sizeof...(Args) + 1,
 				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type unique_copy_impl_2(
+			>::type unique_copy_impl(
 				InputIterator first,
 				InputIterator last,
 				Result const& result,
-				typename sprout::fixed_container_traits<Result>::difference_type offset,
+				typename sprout::fixed_container_traits<Result>::size_type size,
 				Head const& head,
 				Args const&... args
 				)
 			{
-				return first != last && sizeof...(Args) + 1 < static_cast<std::size_t>(offset)
+				return first != last && sizeof...(Args) + 1 < size
 					? !(head == *first)
-						? unique_copy_impl_2(sprout::next(first), last, result, offset, *first, args..., head)
-						: unique_copy_impl_2(sprout::next(first), last, result, offset, head, args...)
-					: unique_copy_impl_3(result, args..., head)
+						? unique_copy_impl(sprout::next(first), last, result, size, *first, args..., head)
+						: unique_copy_impl(sprout::next(first), last, result, size, head, args...)
+					: sprout::detail::container_complate(result, args..., head)
 					;
 			}
-			template<typename InputIterator, typename Result, typename... Args>
-			SPROUT_CONSTEXPR inline typename std::enable_if<
-				sprout::fixed_container_traits<Result>::fixed_size == sizeof...(Args),
-				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type unique_copy_impl_1(
-				InputIterator first,
-				InputIterator last,
-				Result const& result,
-				typename sprout::fixed_container_traits<Result>::difference_type offset,
-				Args const&... args
-				)
-			{
-				return sprout::remake_clone<Result, Result>(result, sprout::size(result), args...);
-			}
-			template<typename InputIterator, typename Result, typename... Args>
-			SPROUT_CONSTEXPR inline typename std::enable_if<
-				sprout::fixed_container_traits<Result>::fixed_size != sizeof...(Args),
-				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type unique_copy_impl_1(
-				InputIterator first,
-				InputIterator last,
-				Result const& result,
-				typename sprout::fixed_container_traits<Result>::difference_type offset,
-				Args const&... args
-				)
-			{
-				return sizeof...(Args) < static_cast<std::size_t>(offset)
-					? unique_copy_impl_1(first, last, result, offset, args..., *(sprout::fixed_begin(result) + sizeof...(Args)))
-					: first != last
-						? unique_copy_impl_2(sprout::next(first), last, result, offset + sprout::size(result), *first, args...)
-						: unique_copy_impl_3(result, args...)
-					;
-			}
-			template<typename InputIterator, typename Result>
-			SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type unique_copy_impl(
-				InputIterator first,
-				InputIterator last,
-				Result const& result
-				)
-			{
-				return unique_copy_impl_1(first, last, result, sprout::fixed_begin_offset(result));
-			}
 		}	// namespace detail
 		//
 		// unique_copy
@@ -122,7 +58,10 @@ namespace sprout {
 			Result const& result
 			)
 		{
-			return sprout::fixed::detail::unique_copy_impl(first, last, result);
+			return first != last
+				? sprout::fixed::detail::unique_copy_impl(sprout::next(first), last, result, sprout::size(result), *first)
+				: sprout::detail::container_complate(result)
+				;
 		}
 
 		namespace detail {
@@ -130,12 +69,12 @@ namespace sprout {
 			SPROUT_CONSTEXPR inline typename std::enable_if<
 				sprout::fixed_container_traits<Result>::fixed_size == sizeof...(Args) + 1,
 				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type unique_copy_impl_2(
+			>::type unique_copy_impl(
 				InputIterator first,
 				InputIterator last,
 				Result const& result,
 				BinaryPredicate pred,
-				typename sprout::fixed_container_traits<Result>::difference_type offset,
+				typename sprout::fixed_container_traits<Result>::size_type size,
 				Head const& head,
 				Args const&... args
 				)
@@ -146,68 +85,23 @@ namespace sprout {
 			SPROUT_CONSTEXPR inline typename std::enable_if<
 				sprout::fixed_container_traits<Result>::fixed_size != sizeof...(Args) + 1,
 				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type unique_copy_impl_2(
+			>::type unique_copy_impl(
 				InputIterator first,
 				InputIterator last,
 				Result const& result,
 				BinaryPredicate pred,
-				typename sprout::fixed_container_traits<Result>::difference_type offset,
+				typename sprout::fixed_container_traits<Result>::size_type size,
 				Head const& head,
 				Args const&... args
 				)
 			{
-				return first != last && sizeof...(Args) + 1 < static_cast<std::size_t>(offset)
+				return first != last && sizeof...(Args) + 1 < size
 					? !pred(head, *first)
-						? unique_copy_impl_2(sprout::next(first), last, result, pred, offset, *first, args..., head)
-						: unique_copy_impl_2(sprout::next(first), last, result, pred, offset, head, args...)
-					: unique_copy_impl_3(result, args..., head)
+						? sprout::fixed::detail::unique_copy_impl(sprout::next(first), last, result, pred, size, *first, args..., head)
+						: sprout::fixed::detail::unique_copy_impl(sprout::next(first), last, result, pred, size, head, args...)
+					: sprout::detail::container_complate(result, args..., head)
 					;
 			}
-			template<typename InputIterator, typename Result, typename BinaryPredicate, typename... Args>
-			SPROUT_CONSTEXPR inline typename std::enable_if<
-				sprout::fixed_container_traits<Result>::fixed_size == sizeof...(Args),
-				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type unique_copy_impl_1(
-				InputIterator first,
-				InputIterator last,
-				Result const& result,
-				BinaryPredicate pred,
-				typename sprout::fixed_container_traits<Result>::difference_type offset,
-				Args const&... args
-				)
-			{
-				return sprout::remake_clone<Result, Result>(result, sprout::size(result), args...);
-			}
-			template<typename InputIterator, typename Result, typename BinaryPredicate, typename... Args>
-			SPROUT_CONSTEXPR inline typename std::enable_if<
-				sprout::fixed_container_traits<Result>::fixed_size != sizeof...(Args),
-				typename sprout::fixed::result_of::algorithm<Result>::type
-			>::type unique_copy_impl_1(
-				InputIterator first,
-				InputIterator last,
-				Result const& result,
-				BinaryPredicate pred,
-				typename sprout::fixed_container_traits<Result>::difference_type offset,
-				Args const&... args
-				)
-			{
-				return sizeof...(Args) < static_cast<std::size_t>(offset)
-					? unique_copy_impl_1(first, last, result, pred, offset, args..., *(sprout::fixed_begin(result) + sizeof...(Args)))
-					: first != last
-						? unique_copy_impl_2(sprout::next(first), last, result, pred, offset + sprout::size(result), *first, args...)
-						: unique_copy_impl_3(result, args...)
-					;
-			}
-			template<typename InputIterator, typename Result, typename BinaryPredicate>
-			SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type unique_copy_impl(
-				InputIterator first,
-				InputIterator last,
-				Result const& result,
-				BinaryPredicate pred
-				)
-			{
-				return unique_copy_impl_1(first, last, result, pred, sprout::fixed_begin_offset(result));
-			}
 		}	// namespace detail
 		//
 		// unique_copy
@@ -220,7 +114,10 @@ namespace sprout {
 			BinaryPredicate pred
 			)
 		{
-			return sprout::fixed::detail::unique_copy_impl(first, last, result, pred);
+			return first != last
+				? sprout::fixed::detail::unique_copy_impl(sprout::next(first), last, result, pred, sprout::size(result), *first)
+				: sprout::detail::container_complate(result)
+				;
 		}
 	}	// namespace fixed