System::TestPredicates::TypeTraits::BothEnumerable typedef

BothEnumerable typedef

检查两个类型参数是否都是 IEnumerable。如果是，则 value 成员设为 true，否则设为 false。

using System::TestPredicates::TypeTraits::BothEnumerable =  std::integral_constant<bool, IsEnumerable<T1>::value && IsEnumerable<T2>::value>

另见

System::TestPredicates::TypeTraits::BothArrayOrList typedef System::TestPredicates::TypeTraits::IsArray typedef