diff options
Diffstat (limited to 'zenXml/zenxml/cvrt_struc.h')
| -rwxr-xr-x | zenXml/zenxml/cvrt_struc.h | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/zenXml/zenxml/cvrt_struc.h b/zenXml/zenxml/cvrt_struc.h index 11795107..85c5d8d0 100755 --- a/zenXml/zenxml/cvrt_struc.h +++ b/zenXml/zenxml/cvrt_struc.h @@ -65,21 +65,19 @@ using IsStlContainer = std::bool_constant< impl_2384343::HasMember_insert <T>::value>; -namespace impl_2384343 +template <class T> +struct IsStlPair { -ZEN_INIT_DETECT_MEMBER_TYPE(first_type); -ZEN_INIT_DETECT_MEMBER_TYPE(second_type); - -ZEN_INIT_DETECT_MEMBER(first) //we don't know the exact declaration of the member attribute: may be in a base class! -ZEN_INIT_DETECT_MEMBER(second) // -} - -template <typename T> -using IsStlPair = std::bool_constant< - impl_2384343::HasMemberType_first_type <T>::value && - impl_2384343::HasMemberType_second_type<T>::value && - impl_2384343::HasMember_first <T>::value && - impl_2384343::HasMember_second <T>::value>; +private: + using Yes = char[1]; + using No = char[2]; + + template <class T1, class T2> + static Yes& isPair(const std::pair<T1, T2>&); + static No& isPair(...); +public: + enum { value = sizeof(isPair(std::declval<T>())) == sizeof(Yes) }; +}; //###################################################################################### |