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Adjusted type_traits to compile with clang-3.1, too

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The new version is cleaner anyway, since it can be used with any type
now.
This commit is contained in:
rbock 2014-07-21 05:33:45 +02:00
parent 7938a8527c
commit 69fdaedc0d
1 changed files with 6 additions and 6 deletions
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12
include/sqlpp11/type_traits.h
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@ -33,19 +33,19 @@
namespace sqlpp
{
#define SQLPP_IS_VALUE_TRAIT_GENERATOR(name) \
namespace tag\
{\
struct name{};\
};\
namespace detail\
{\
template<typename T, typename Enable = void>\
struct is_##name##_impl: std::false_type {};\
template<typename T>\
struct is_##name##_impl<T, typename std::enable_if<std::is_same<typename T::_value_type::_is_##name, std::true_type>::value>::type>: std::true_type {};\
struct is_##name##_impl<T, typename std::enable_if<detail::is_element_of<tag::name, typename T::_traits::_tags>::value>::type>: std::true_type {};\
}\
namespace tag\
{\
struct name{};\
};\
template<typename T>\
using is_##name##_t = detail::is_element_of<tag::name, typename T::_traits::_tags>;
using is_##name##_t = typename detail::is_##name##_impl<T>::type;
#define SQLPP_IS_COLUMN_TRAIT_GENERATOR(name) \
namespace detail\