Subject: [Boost-commit] svn:boost r65514 - sandbox/variadic_templates/boost/composite_storage/layout
From: cppljevans_at_[hidden]
Date: 2010-09-21 08:41:50
Author: cppljevans
Date: 2010-09-21 08:41:40 EDT (Tue, 21 Sep 2010)
New Revision: 65514
URL: http://svn.boost.org/trac/boost/changeset/65514
Log:
Added #include for mpl/next.hpp in operators_*.hpp.
Used type_traits/is_empty in layout_of to minimize size_of value.
Text files modified:
sandbox/variadic_templates/boost/composite_storage/layout/layout_of.hpp | 10 ++++++++++
sandbox/variadic_templates/boost/composite_storage/layout/operators_all_of_aligned.hpp | 1 +
sandbox/variadic_templates/boost/composite_storage/layout/operators_one_of_maybe.hpp | 1 +
3 files changed, 12 insertions(+), 0 deletions(-)
Modified: sandbox/variadic_templates/boost/composite_storage/layout/layout_of.hpp
==============================================================================
--- sandbox/variadic_templates/boost/composite_storage/layout/layout_of.hpp (original)
+++ sandbox/variadic_templates/boost/composite_storage/layout/layout_of.hpp 2010-09-21 08:41:40 EDT (Tue, 21 Sep 2010)
@@ -9,6 +9,9 @@
// warranty, and with no claim as to its suitability for any purpose.
//
#include <boost/composite_storage/buffers/char_buf.hpp>
+#include <boost/mpl/integral_c.hpp>
+#include <boost/mpl/if.hpp>
+#include <boost/type_traits/is_empty.hpp>
namespace boost
{
@@ -57,12 +60,19 @@
>
struct
size_of
+: mpl::if_
+ < is_empty<T>
+ , mpl::integral_c<std::size_t,0>
+ , mpl::integral_c<std::size_t,sizeof(T)>
+ >::type
{
+ #if 0
static
std::size_t const
value
=sizeof(T)
;
+ #endif
};
struct components_aligned_yes
Modified: sandbox/variadic_templates/boost/composite_storage/layout/operators_all_of_aligned.hpp
==============================================================================
--- sandbox/variadic_templates/boost/composite_storage/layout/operators_all_of_aligned.hpp (original)
+++ sandbox/variadic_templates/boost/composite_storage/layout/operators_all_of_aligned.hpp 2010-09-21 08:41:40 EDT (Tue, 21 Sep 2010)
@@ -15,6 +15,7 @@
#include <boost/composite_storage/alignment/compose.hpp>
#include <boost/composite_storage/alignment/aligned_offset.hpp>
#include <boost/composite_storage/special_components.hpp>
+#include <boost/mpl/next.hpp>
namespace boost
{
Modified: sandbox/variadic_templates/boost/composite_storage/layout/operators_one_of_maybe.hpp
==============================================================================
--- sandbox/variadic_templates/boost/composite_storage/layout/operators_one_of_maybe.hpp (original)
+++ sandbox/variadic_templates/boost/composite_storage/layout/operators_one_of_maybe.hpp 2010-09-21 08:41:40 EDT (Tue, 21 Sep 2010)
@@ -14,6 +14,7 @@
#include <boost/composite_storage/buffers/rval_ref_buf.hpp>
#include <boost/composite_storage/alignment/compose.hpp>
#include <boost/composite_storage/special_components.hpp>
+#include <boost/mpl/next.hpp>
namespace boost
{