Adding delay_static_assert

Closes #61
This commit is contained in:
Shane Grant
2014-02-27 21:50:58 -08:00
parent 89bcdc1404
commit 0d83f14fa3
4 changed files with 150 additions and 137 deletions
+9 -1
View File
@@ -46,6 +46,13 @@ namespace cereal
typedef std::true_type yes;
typedef std::false_type no;
namespace detail
{
//! Used to delay a static_assert until template instantiation
template <class T>
struct delay_static_assert : std::false_type {};
} // namespace detail
#ifdef CEREAL_OLDER_GCC // when VS supports better SFINAE, we can use this as the default
template<typename> struct Void { typedef void type; };
#endif // CEREAL_OLDER_GCC
@@ -583,7 +590,8 @@ namespace cereal
template <class T, class A, bool Member = traits::has_member_load_and_construct<T, A>::value, bool NonMember = traits::has_non_member_load_and_construct<T, A>::value>
struct Construct
{
static_assert( !sizeof(T), "Cereal detected both member and non member load_and_construct functions!" );
static_assert( cereal::traits::detail::delay_static_assert<T>::value,
"Cereal detected both member and non member load_and_construct functions!" );
static T * load_andor_construct( A & /*ar*/, construct<T> & /*construct*/ )
{ return nullptr; }
};
+2 -1
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@@ -47,7 +47,8 @@ namespace cereal
template <class Archive, class T> inline
void serialize( Archive &, T * & )
{
static_assert(!sizeof(T), "Cereal does not support serializing raw pointers - please use a smart pointer");
static_assert(cereal::traits::detail::delay_static_assert<T>::value,
"Cereal does not support serializing raw pointers - please use a smart pointer");
}
namespace common_detail
+137 -135
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@@ -1,136 +1,138 @@
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+2
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