diff --git a/include/ebcl/inline/Arrays.hh b/include/ebcl/inline/Arrays.hh
index 29576d1..f8a9401 100644
--- a/include/ebcl/inline/Arrays.hh
+++ b/include/ebcl/inline/Arrays.hh
@@ -709,31 +709,35 @@ M_HDR_ inline T& M_CNAME_::operator[](
 
 M_HDR_ inline M_CNAME_T_& M_CNAME_::operator++ () noexcept
 {
-	assert( valid( ) );
-	pos_ += D;
+	assert( array_ );
+	pos_ = std::min( ptrdiff_t( array_->size( ) ) ,
+			std::max( ptrdiff_t( -1 ) , pos_ + D ) );
 	return *this;
 }
 
 M_HDR_ inline M_CNAME_T_ M_CNAME_::operator++ (int) noexcept
 {
-	assert( valid( ) );
+	assert( array_ );
 	auto copy( *this );
-	pos_ += D;
+	pos_ = std::min( ptrdiff_t( array_->size( ) ) ,
+			std::max( ptrdiff_t( -1 ) , pos_ + D ) );
 	return copy;
 }
 
 M_HDR_ inline M_CNAME_T_& M_CNAME_::operator-- () noexcept
 {
-	assert( valid( ) );
-	pos_ -= D;
+	assert( array_ );
+	pos_ = std::min( ptrdiff_t( array_->size( ) ) ,
+			std::max( ptrdiff_t( -1 ) , pos_ - D ) );
 	return *this;
 }
 
 M_HDR_ inline M_CNAME_T_ M_CNAME_::operator-- (int) noexcept
 {
-	assert( valid( ) );
+	assert( array_ );
 	auto copy( *this );
-	pos_ -= D;
+	pos_ = std::min( ptrdiff_t( array_->size( ) ) ,
+			std::max( ptrdiff_t( -1 ) , pos_ - D ) );
 	return copy;
 }
 
@@ -765,7 +769,7 @@ M_HDR_ inline ptrdiff_t M_CNAME_::operator -(
 M_HDR_ inline M_CNAME_T_& M_CNAME_::operator +=(
 		const ptrdiff_t value ) noexcept
 {
-	assert( valid( ) );
+	assert( array_ );
 	pos_ = std::min( ptrdiff_t( array_->size( ) ) ,
 		std::max( ptrdiff_t( -1 ) , pos_ + value * D ) );
 	return *this;
@@ -774,7 +778,7 @@ M_HDR_ inline M_CNAME_T_& M_CNAME_::operator +=(
 M_HDR_ inline M_CNAME_T_& M_CNAME_::operator -=(
 		const ptrdiff_t value ) noexcept
 {
-	assert( valid( ) );
+	assert( array_ );
 	pos_ = std::min( ptrdiff_t( array_->size( ) ) ,
 		std::max( ptrdiff_t( -1 ) , pos_ - value * D ) );
 	return *this;
@@ -912,31 +916,35 @@ M_HDR_ inline T const& M_CNAME_::operator[](
 
 M_HDR_ inline M_CNAME_T_& M_CNAME_::operator++ () noexcept
 {
-	assert( valid( ) );
-	pos_ += D;
+	assert( array_ );
+	pos_ = std::min( ptrdiff_t( array_->size( ) ) ,
+			std::max( ptrdiff_t( -1 ) , pos_ + D ) );
 	return *this;
 }
 
 M_HDR_ inline M_CNAME_T_ M_CNAME_::operator++ (int) noexcept
 {
-	assert( valid( ) );
+	assert( array_ );
 	auto copy( *this );
-	pos_ += D;
+	pos_ = std::min( ptrdiff_t( array_->size( ) ) ,
+			std::max( ptrdiff_t( -1 ) , pos_ + D ) );
 	return copy;
 }
 
 M_HDR_ inline M_CNAME_T_& M_CNAME_::operator-- () noexcept
 {
-	assert( valid( ) );
-	pos_ -= D;
+	assert( array_ );
+	pos_ = std::min( ptrdiff_t( array_->size( ) ) ,
+			std::max( ptrdiff_t( -1 ) , pos_ - D ) );
 	return *this;
 }
 
 M_HDR_ inline M_CNAME_T_ M_CNAME_::operator-- (int) noexcept
 {
-	assert( valid( ) );
+	assert( array_ );
 	auto copy( *this );
-	pos_ -= D;
+	pos_ = std::min( ptrdiff_t( array_->size( ) ) ,
+			std::max( ptrdiff_t( -1 ) , pos_ - D ) );
 	return copy;
 }
 
@@ -968,7 +976,7 @@ M_HDR_ inline ptrdiff_t M_CNAME_::operator -(
 M_HDR_ inline M_CNAME_T_& M_CNAME_::operator +=(
 		const ptrdiff_t value ) noexcept
 {
-	assert( valid( ) );
+	assert( array_ );
 	pos_ = std::min( ptrdiff_t( array_->size( ) ) ,
 		std::max( ptrdiff_t( -1 ) , pos_ + value * D ) );
 	return *this;
@@ -977,7 +985,7 @@ M_HDR_ inline M_CNAME_T_& M_CNAME_::operator +=(
 M_HDR_ inline M_CNAME_T_& M_CNAME_::operator -=(
 		const ptrdiff_t value ) noexcept
 {
-	assert( valid( ) );
+	assert( array_ );
 	pos_ = std::min( ptrdiff_t( array_->size( ) ) ,
 		std::max( ptrdiff_t( -1 ) , pos_ - value * D ) );
 	return *this;