ceph/src/boost/libs/hana/example/core/when.cpp

   1 // Copyright Louis Dionne 2013-2016
   2 // Distributed under the Boost Software License, Version 1.0.
   3 // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
   4
   5 #include <boost/hana/core/when.hpp>
   6
   7 #include <type_traits>
   8 namespace hana = boost::hana;
   9
  10
  11 template <typename T, typename = hana::when<true>>
  12 struct base_template;
  13
  14 template <typename T>
  15 struct base_template<T, hana::when<std::is_integral<T>::value>> {
  16     // something useful...
  17 };
  18
  19 int main() { }