summaryrefslogtreecommitdiff
path: root/boost/detail/call_traits.hpp
diff options
context:
space:
mode:
Diffstat (limited to 'boost/detail/call_traits.hpp')
-rw-r--r--boost/detail/call_traits.hpp20
1 files changed, 14 insertions, 6 deletions
diff --git a/boost/detail/call_traits.hpp b/boost/detail/call_traits.hpp
index 6ad646ec60..36dea0003a 100644
--- a/boost/detail/call_traits.hpp
+++ b/boost/detail/call_traits.hpp
@@ -24,6 +24,7 @@
#include <cstddef>
#include <boost/type_traits/is_arithmetic.hpp>
+#include <boost/type_traits/is_enum.hpp>
#include <boost/type_traits/is_pointer.hpp>
#include <boost/detail/workaround.hpp>
@@ -43,20 +44,26 @@ struct ct_imp2<T, true>
typedef const T param_type;
};
-template <typename T, bool isp, bool b1>
+template <typename T, bool isp, bool b1, bool b2>
struct ct_imp
{
typedef const T& param_type;
};
-template <typename T, bool isp>
-struct ct_imp<T, isp, true>
+template <typename T, bool isp, bool b2>
+struct ct_imp<T, isp, true, b2>
+{
+ typedef typename ct_imp2<T, sizeof(T) <= sizeof(void*)>::param_type param_type;
+};
+
+template <typename T, bool isp, bool b1>
+struct ct_imp<T, isp, b1, true>
{
typedef typename ct_imp2<T, sizeof(T) <= sizeof(void*)>::param_type param_type;
};
-template <typename T, bool b1>
-struct ct_imp<T, true, b1>
+template <typename T, bool b1, bool b2>
+struct ct_imp<T, true, b1, b2>
{
typedef const T param_type;
};
@@ -79,7 +86,8 @@ public:
typedef typename boost::detail::ct_imp<
T,
::boost::is_pointer<T>::value,
- ::boost::is_arithmetic<T>::value
+ ::boost::is_arithmetic<T>::value,
+ ::boost::is_enum<T>::value
>::param_type param_type;
};